Abstract
Australia has seen declining numbers of students choosing mathematics and science subjects in the senior secondary years, running counter to economic projections of an accelerating need for science and mathematics skills. Many students become less engaged with these subjects in the junior secondary years but attitudes such as selfconcept, utility value, and intrinsic value are important for subject selection decisions. We used latent profile analysis to examine the relationship between attitudes towards both subjects using data from 10,051 Australian Grade 8 students sampled by TIMSS 2015 and revealed six discrete groupings. While most students were at least attitudinally receptive to both subjects, there were many students who either resisted both or expressed a strong preference for one over another. Positive attitudes towards both subjects were mutually beneficial—better attitudes towards both were associated with higher achievement in each—but boys tended to be more positive towards both subjects and so benefitted from this relationship more than girls. Implications for educational research and teachers’ practices are discussed.
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Declining numbers of students electing to study mathematics and science is a significant issue as our society increasingly relies on workers in Science, Technology, Engineering, and Mathematics (STEM) fields (Kennedy et al. 2014). Many students, but particularly girls, become less engaged in mathematics and science in the early years of secondary school (Plenty and Heubeck 2013; Potvin, Hasni et al. 2018; Watt 2004). This is an important time to ensure all students remain engaged in these subjects. Empirical evidence shows that students’ attitudes towards mathematics and science influence their academic achievement and decisions to continue studying these subjects (Britner and Pajares 2006; Dowker et al. 2016; Wang and Degol 2013). According to expectancyvalue theory, the value placed on a task and the expected success in that task predict the extent of an individual’s engagement with the task (Wigfield and Eccles 2000). While there are many different ways of measuring values and expectancies in science and mathematics, in this study we focus on three key constructs measured in the Trends in International Mathematics and Science Study (TIMSS) 2015. These attitudes are selfconcept, intrinsic value, and utility value of mathematics and science. Selfconcept aligns with the expectancy of success aspect of expectancyvalue theory (Guo et al. 2015), while intrinsic and utility values reflect the interest and importance an individual places on mathematics and science (Wigfield and Eccles 2000).
The driving question for this study was whether differential expectancyvalue profiles towards mathematics and science existed among Australian teenagers, and, if so, how these profiles were associated with gender and achievement in those subjects. In recent years, personcentred methods, which focus on the individual as the unit of analysis, have become increasingly popular for their ability to offer researchers and practitioners a more nuanced understanding of the motivational dynamics associated with particular student profiles (Watt et al. 2019). To this end, we used latent profile analysis to investigate the attitudinal profiles of Australian adolescents and how these profiles were associated with academic achievement in a standardised test of mathematics and science. The profiles we identified may serve as a useful heuristic for mathematics and science teachers to better understand the different types of students in their classrooms (Bae and DeBuskLane 2018).
Furthermore, where many previous studies have treated attitudes towards mathematics and science separately (e.g. Chouinard and Roy 2008; Guo et al. 2017; Stake 2006), our analysis jointly considered attitudes towards these subjects. While less common, research that has considered attitudes across subjects has made an important contribution to our understanding of how attitudes towards mathematics and science are related to achievement and subject selections (Chow and SalmelaAro 2011). Given persistent gender differences in achievement and aspirations for science and mathematics, we considered the different ways that girls and boys regarded mathematics and science, and the association of these attitudes with achievement in these subjects.
Student attitudes and participation in mathematics and science
Expectancyvalue theory states that engagement is predicted by the extent to which an individual values a task and his or her expected success in the task (Wigfield and Eccles 2000). Importantly, students’ values and expected success in a subject predict their achievement in that subject (Wigfield et al. 2015). In a longitudinal study of adolescents from the United States, Wang (2012) found that task values were stronger predictors of engagement and choices to continue studying mathematics, while expectations of success and selfconcept served as stronger predictors of academic achievement. In a comparative study of Australian, United States, and Canadian adolescents, Watt et al. (2012) reported that intrinsic value of mathematics was a key predictor of intentions to continue studying mathematics for Australian adolescents, while ability beliefs were stronger predictors in the United States and Canadian samples. Importance value (utility value) predicted girls’ choices across the different context samples. Watt et al. (2012) interpreted this finding as indicative of a strong Australian desire for individual selfexpression in academic life, relative to the other two countries, given the (at the time) lesser importance placed on standardised testing, which may promote more abilityfocused beliefs in the United States and Canada.
In the following section, we explore the empirical evidence that links selfconcept, intrinsic value, and utility value with science and mathematics participation, as well as gender differences in these relationships. While it is acknowledged that science consists of several domains (i.e. physics, chemistry, biology, and Earth and environmental science), many studies refer to science as a single subject. This is the case in the Australian TIMSS sample, reflecting the teaching of science as a single subject in Australian secondary schools until the senior years. In the following sections, we refer to previous studies that measure science as a single subject as “general science”, and specify individual science domains when these have been studied separately.
Ability beliefs
Ability beliefs reflect the extent to which an individual believes they are competent in a subject (Wigfield and Eccles 2000). There are several ways to operationalise ability beliefs, including confidence, selfefficacy, and selfconcept (Guo et al. 2017; Lee and Stankov 2018). The TIMSS 2015 scales labelled Students Confident in Mathematics/Science represent a measure of selfconcept (Liou 2017; Michaelides et al. 2019; Stankov and Lee 2017), defined as “the extent to which students feel competent in the domain being asked” (Stankov 2013, p. 729). Selfconcept is influenced by feedback received from others and individuals’ evaluation of their performances (Bong et al. 2012).
Several metaanalyses have established that selfconcept is positively related to academic achievement (e.g. Hattie 2008; Marsh and Martin 2011) and that this relationship is reciprocal (Marsh and Craven 2006). Further, in an analysis of TIMSS 2011 data from 26 countries, Liou (2017) found that selfconcept in science was more strongly associated with science achievement in comparison to utility and intrinsic values in 20 of these countries (including Australia). Selfconcept is also related to a range of other positive educational outcomes. For example, analysis of TIMSS 2007 data from 49 countries revealed that adolescents with higher levels of mathematics selfconcept were more likely to report intentions to pursue a mathematicsrelated career, even when mathematics achievement was controlled for, and that selfconcept was more predictive of mathematics career intentions than achievement in mathematics (Goldman and Penner 2016). Analysis of the Program for International Student Assessment (PISA) 2006 data of 54 countries also showed that science selfconcept mediated the positive relationship between achievement and science career aspirations, reinforcing the critical role of selfconcept in adolescents’ career intentions (Nagengast and Marsh 2012).
The internal–external frame of reference model (I/E model) suggests that learners’ selfconcepts are influenced by comparing their abilities with those of peers (external) and their performance in other subjects (internal) (Marsh 1986). External comparisons with peers may lead students to over or underestimate their capabilities (Marsh et al. 2008), whereby students in a class with aboveaverage classmates may have a lower selfconcept in comparison to students in a class with belowaverage classmates. Learners can also evaluate their capabilities in a subject relative to other subjects, which can lead to higher selfconcept in the stronger subject and lower selfconcept in the weaker subject. These “dimensional comparisons” explain why mathematics and verbal selfconcept tend to be uncorrelated, despite achievement in these areas being positively correlated (Marsh et al. 2015). The I/E model has been extended to examine the interaction of selfconcepts in subjects that are more closely related, such as mathematics and science. In multiple Englishspeaking countries (including Australia), a contrast effect was reported between achievement and selfconcept in mathematics and general science, whereby achievement in mathematics was negatively related to selfconcept in science (Chiu 2008). However, a more recent German study found that when separate science subjects (biology, chemistry, physics) were considered, contrast effects existed between mathematics and biology, but assimilation effects (i.e. positive relationships between achievement and selfconcept in different subjects) were detected between mathematics, physics, and chemistry (Jansen et al. 2015). It also appears that if a student perceives a large difference between the two subjects, he or she experiences greater selfconcept differences (Helm et al. 2016). This suggests that students may vary in how their selfconcepts in mathematics and science are related.
Gender differences in adolescents’ selfconcept in mathematics are relatively common. For example, in most countries surveyed in TIMSS 2003 and 2007, boys were found to have greater selfconcept in mathematics than girls (Goldman and Penner 2016; Wilkins 2004). These findings are mirrored in other studies that have measured adolescent gender differences in selfconcept (Fredricks and Eccles 2002; Skaalvik and Skaalvik 2004). Furthermore, gender differences in mathematics selfconcept that exist in early secondary school have been found to persist throughout secondary school in Australian, US, and German adolescents (Nagy et al. 2010). Findings regarding gender differences in science selfconcept are less consistent. In multinational studies that have focused on gender differences in general science selfconcept, some have found that adolescent boys report greater selfconcept in science than girls (Sikora and Pokropek 2012; Wilkins 2004). However, other studies in specific national contexts, like the United States, have reported that there is no difference between the selfconcept of boys and girls in general science (Louis and Mistelle 2012). These disparate findings may be due to the measurement of general science selfconcept. In support of this, Jansen, Schroeders, and Lüdtke (2014) found that German male adolescents had higher selfconcepts in physics and chemistry than girls, while there was no gender difference in biology selfconcept when controlling for achievement.
While these variablecentred methods have made significant contributions to our understanding of gender differences in mathematics and science selfconcepts, personcentred methods have also been adopted. For example, latent profile analysis recently has been used to identify distinct selfconcept profiles across five subject domains (mathematics, physics, biology, reading, and English) in German adolescents (Sass and Kampa 2019). In that study, four selfconcept profiles emerged: high mathematicsrelated selfconcept, low overall selfconcept, high verbal selfconcept, and high overall selfconcept. There were gender differences within these profiles, such that girls were overrepresented in the low overall selfconcept and high verbal selfconcept profiles, and underrepresented in the high mathematicsrelated selfconcept and high overall selfconcept profiles (Sass and Kampa 2019). These findings reinforce the gender differences observed in variablecentred methods, but also suggest that personcentred methods can provide further insights into the complex ways that gender interacts with other variables to influence science and mathematics selfconcept.
Intrinsic value
Intrinsic value towards a subject refers to the enjoyment and interest that an individual experiences while participating in that subject (Eccles 2005; Nagy et al. 2008). For Australian adolescents, intrinsically valuing mathematics (as measured by liking, interest, and enjoyment of mathematics) has predicted the continued study of mathematics in the senior years of secondary school (Watt et al. 2012). Multinational studies have similarly found that enjoyment of science is related to adolescents’ intentions to continue studying science (Ainley and Ainley 2011a). Importantly, data from 57 countries have shown that enjoyment of science mediates the relationship between science content knowledge and intentions to continue studying science (Ainley and Ainley 2011b), which suggests that even highachieving students may disengage from science if they do not experience positive affect when learning science. Indeed, adolescents with high selfconcept in each of the science domains are less likely to aspire to a sciencerelated career if their intrinsic value of the corresponding science domain is low (Guo et al. 2017).
Enjoyment of mathematics has been found to decrease during Grade 7 in Dutch adolescents (Ahmed et al. 2013) and from Grade 7 to Grade 8 in German adolescents (Frenzel et al. 2009). This may be in part due to declines in motivation and selfconfidence during this period (Ahmed et al. 2013). This decline in intrinsic valuing of mathematics during the junior years of secondary school is also supported by a longerterm longitudinal study of Australian adolescents, with intrinsic value stabilising in the senior years (Watt 2004). These findings are concerning, given the importance of intrinsic value for continued engagement in mathematics and science (Ainley and Ainley 2011a; Watt et al. 2012).
In comparison to selfconcept, there is a less consistent gender difference in girls’ and boys’ intrinsic value of mathematics and science. Some studies have found that girls express lower levels of enjoyment of mathematics and general science than boys (Nagy et al. 2008; RiegleCrumb et al. 2011). Others have found that this difference does not emerge in all countries, which implies that schooling systems and contexts influence students’ intrinsic valuing of mathematics (Watt et al. 2012). In an Australian sample, girls’ intrinsic valuing of mathematics was found to be lower than boys (Watt et al. 2012). There also appear to be gender differences in the relationships between intrinsic valuing of science and achievement. For example, DeBacker and Nelson (1999) found that intrinsic valuing of general science was related to greater academic achievement for boys, while this relationship was not significant for girls. In the same study, higher intrinsic valuing of science was related to greater application of effort for adolescent boys, and greater persistence for girls.
Utility value
A student’s perceived value of mathematics or science reflects the extent to which a student views each subject as being useful, important, or having applications in other contexts. The perceived importance or usefulness of a task or subject is sometimes referred to as utility value (Watt 2004). Perceived support for mathematics from parents and teachers is an important predictor of utility value (Chouinard et al. 2007). While utility values did not predict achievement or engagement in mathematics after controlling for selfconcept (Guo et al. 2016), utility values have been found to predict aspirations for mathematicsrelated professions for Australian female secondary school students (Watt et al. 2012). Similarly, adolescents who value general science are more likely to express the intention to continue to engage with learning science in the future and to experience enjoyment and interest when learning science (Ainley and Ainley 2011a). It is concerning that Australian adolescents’ mathematics utility values have been found to decline during secondary school (Watt 2004).
Several studies have reported that there are no gender differences in adolescents’ valuing of mathematics. For example, Jacobs, Lanza, Osgood, Eccles, and Wigfield (2002) reported that task values in mathematics were similar for boys and girls in the United States. Similarly, Watt (2004) found that girls and boys in Australian secondary schools did not have significantly different levels of mathematics utility value. This suggests that the importance of mathematics is communicated to boys and girls equally within these educational contexts (Watt 2004). In contrast, there is evidence to suggest that gender differences in utility values for science do exist. However, the nature of this difference varies by study. For example, ElseQuest et al. (2013) reported that adolescent girls valued general science more than boys in an ethnically diverse American sample. Conversely, George (2006) reported that girls held lower utility values for general science than boys in Grade 7, and that the increase in utility value that occurred during secondary school was smaller for girls. While it is possible that the importance of science is differentially communicated to male and female students in different contexts, this finding may also reflect a shift in how the importance of science is communicated to girls over time.
Joint consideration of attitudes towards mathematics and science
Mathematics forms an integral part of most science disciplines and has been recognised as a gatekeeper to further science study and ultimately to sciencerelated careers (Douglas and Attewell 2017; Shapka et al. 2006). It has been recognised over several decades that students’ confidence and selfconcept in mathematics can influence intention to study sciencebased courses after leaving school (Betz and Hackett 1983; Lin et al. 2018; Mau 2003; Sass and Kampa 2019). Specifically, for female students in Australia, perceived ability in mathematics has been found to predict intentions to pursue a career in mathematics, physics, chemistry, and biology (Watt et al. 2017). There is also evidence that girls are less confident in mathematics than boys even when their achievement is comparable, potentially discouraging them from a science career even if their interest is high (Sax et al. 2015).
It is therefore important to consider both mathematics and science in tandem, even if students are studying these subjects independently at school. The I/E model of selfconcept supports the view that there are important relationships between selfconcept in mathematics and science (Jansen et al. 2015), and that these relationships may be influenced by the extent to which a student views these subjects as similar (Helm et al. 2016). Further, students’ intrinsic value (or lack of intrinsic value) in science might influence their intrinsic value in mathematics and vice versa. Understanding the interaction between students’ perceptions of these subjects and their selfperceptions as learners in these subjects could lead to a more nuanced understanding of the dynamics at play in subject choice as students progress towards the senior years of schooling.
Personcentred quantitative analyses
There frequently is a need in quantitative social research to reduce large numbers of variables into smaller groupings (Schreiber and Pekarik 2014) to understand the underlying structure of the data (Eshghi et al. 2011). Groups may be “constructed composites derived directly from values that are found in the original variables, such as socioeconomic status” or “latent constructs derived indirectly from the original variables” (Schreiber and Pekarik 2014, p. 45). In the latter case, the relationships between the observed variables are analysed to arrive at unobserved categorical variables that allow the data to be segmented into exclusive subsets, called latent profiles (Haughton et al. 2009). In simple terms, a latent profile approach allows the data to ‘speak for itself’ rather than the researcher applying some a priori ideas about what the underlying structures in the data might be. That is, latent profile techniques can be characterised as a ‘personcentred’ rather than ‘variablecentred’ method of data analysis.
While the defining theoretical and methodological features of personcentred approaches have been debated (see Sterba and Bauer 2010), broad characteristics may be discerned (Michaelides et al. 2019). Personcentred or personoriented methods focus on the relationships among individuals (Jung and Wickrama 2008). Techniques such as cluster and latent profile analysis are increasingly being used to understand individual response patterns and how individuals might be classified into distinct categories that are unobserved directly and are revealed a posteriori through analysis (Jung and Wikrama 2008). Studies that used personcentred methods have revealed groups of students with distinctive profiles that would have remained undetected in a variablecentred analysis (Michaelides et al. 2019).
There are several approaches to the identification of latent profiles. Traditional clustering techniques such as hierarchical cluster analysis and kmeans cluster analysis are widely used in the social sciences, such as for market segmentation in marketing (Haughton et al. 2009). These methods typically divide data into groups by measuring the Euclidean distance between data points and seeking simultaneously to minimise withingroup distances and maximise betweengroup distances (Kent et al. 2014; Schreiber and Pekarik 2014). By comparison, latent profile analysis (LPA) uses probabilistic mathematical modelling based on correlations between variables to identify likely groups and the placement of individuals within them (Kent et al. 2014).
Such personcentred methods have enabled a deeper investigation of substantive research questions in many disciplines (Nyland et al. 2007). In relation to education, Watt et al. (2019) used latent profile analysis to investigate how motivational expectancies and values predict aspirations for STEM careers in a sample of Australian adolescents. The profiles they first revealed using a personcentred method yielded theoretically and practically meaningful groupings which had different expectancies/values and aspirations. Students in the study were “positively engaged” when they scored high on positive motivations and low on costs, “struggling ambitious” when they scored high on both positive motivations and costs, and “disengaged” when they had low scores on positive motivations but high scores on costs, in each subject area of mathematics and science (Watt et al. 2019). Watt et al. (2019) remarked that the personcentred method “allowed consideration of how motivational dimensions combined among different types of students to offer a nuanced understanding of the features and dynamics associated with particular profiles” (p. 7). In an applied discipline such as education, teachers and other practitioners may find more meaningful associations between the outcomes of educational research which has employed a personcentred approach and their everyday experiences with their students. The profiles resulting from a personcentred approach may serve as a useful heuristic for understanding student attitudes, thus enabling teachers to tailor their pedagogical approaches to the different types of students in the classroom (Bae and DeBuskLane 2018; Watt et al. 2019).
Current study
In this study, we use a personcentred method to investigate (i) how attitudes towards mathematics and science jointly manifest as discrete profiles in a sample of Australian teenagers, and (ii) how these profiles are associated with student gender and achievement in both mathematics and science. While this study is conventional in the sense that we use these findings to make suggestions for further research and discuss implications for practice in STEM education, we also aim to demonstrate the utility of personcentred methods in educational research and seek to provide useful suggestions for other researchers interested in pursuing these approaches.
Method
Dataset and sample
Data came from the 2015 edition of the Trends in International Mathematics and Science Study (TIMSS) administered by the International Association for the Evaluation of Educational Achievement (IEA). TIMSS 2015 was a standardised test that enables countries to monitor primary and secondary school students’ knowledge of concepts and processes in mathematics and science, their attitudes towards those subjects, and the country’s standing on these measures relative to other countries (Thomson et al. 2017). Internationally, over 580,000 students in Grade 4 and Grade 8 from 49 countries underwent the testing in 2015. In Australia, a representative sample of 6057 10yearolds from 287 primary schools and 10,338 14yearolds from 285 secondary schools participated in TIMSS. As discussed by Thomson et al. (2017), TIMSS used a twostage stratified cluster sample design, which was intended to create a representative sample of each stratum. The first stage involved sampling schools stratified by jurisdiction, sector, geographic location, and socioeconomic status. The second stage involved taking a sample of one or two intact classes from the target age group in the sampled schools. Questionnaires and achievement tests were conducted in October and November 2014, which is towards the end of the school year in Australia. Statistical weightings were applied to enable the sampled students to represent the total population (Thomson et al. 2017). Data reported in this paper were from the Grade 8 sample of Australian students, not clustered by school but with sampling weights applied.
Students completed a paperbased attitudinal questionnaire and a mathematics/science assessment booklet. As the large number of test items could not be reasonably completed within the allotted 90 minutes of testing time, the items were grouped into clusters and distributed through 14 test booklets so that each cluster appeared in more than one booklet (for a fuller description, see Thomson et al. 2017). Each student completed only one booklet. This complex procedure ensured all items were answered, albeit by a subsample of the total number of participating students. Consequently, individual achievement scores for mathematics and science contained a substantial amount of measurement error as each student only completed a subsample of items (Von Davier et al. 2009). To reflect this uncertainty, several imputed scores, called plausible values, were given for each individual on achievement variables (Laukaityte and Wiberg 2017). As plausible values were not individual scores, special care should be taken when working with large datasets which include them. We will return to this important consideration in the analysis section.
According to Thomson et al. (2017), student achievement in mathematics and science was assessed by TIMSS in relation to a content domain (subject matter) and a cognitive domain (subjectrelevant thinking processes). Once assessed, student achievement scores in mathematics and science were scaled using item response theory to range between 0 and 1000, with most scores being between 300 and 700 (Foy 2017). Higher scores indicated better achievement in the subject. However, it was important to understand the competencies associated with different scores and the IEA produced the TIMSS International Benchmarks that indicated students’ knowledge, skills, and reasoning ability at different levels of the achievement scales. The benchmarks were created using a scale anchoring process described at length in Foy (2017). The IEA defined the international benchmark cutoffs in relation to the achievement scores as follows. The Low International Benchmark corresponded to achievement scores greater than 400, the Intermediate International Benchmark indicated scores greater than 475, the High International Benchmark corresponded to scores greater than 550, and the Advanced International Benchmark indicated scores greater than 625 (Foy 2017).
The first column of Table 1 shows sample characteristics. As might be expected from a representative sample of Grade 8 students, there were equal proportions of girls and boys in the sample. The largest proportion of students achieved the intermediate international benchmarks for mathematics (32%) and science (33%). The most frequently reported parental education level was a university qualification (27%). While a substantial number (38%) of students did not know how far their parents had gone in education, this does not appear to be unusual in studies of Australian teenagers (Berger et al. 2019).
Variables
In this section, we provide a brief overview of each variable and sufficient context to understand the particular usage in this study. The IEA has published detailed information about TIMSS scale development and psychometric properties, which the interested reader can find in Martin et al. (2016), as well as helpful usage guidance in Foy (2017).
Demographics
Student gender and parental educational attainment were selected as demographic variables given ongoing empirical interest in both gender and equity issues in mathematics and science education (Holmes et al. 2018). Student gender was recorded as a dichotomous variable as either girl (1) or boy (2). Each student provided data on their mother’s and/or father’s highest educational attainment, recorded in a single categorical variable showing the highest attainment of the two, with lower values indicating higher levels of parental education. Possible categories were as follows: (1) University or higher; (2) Postsecondary but not university; (3) Upper secondary; (4) Lower secondary; (5) Some primary, lower secondary, or no school; and (6) Don’t know. The last category was retained as only categorical analyses were conducted with this variable.
Mathematics achievement
Student achievement in mathematics was recorded as achievement scores and corresponding achievement benchmarks. Mathematics achievement score was a continuous variable recorded as a series of five plausible values. Scores recorded in the first plausible value ranged from 184.97 to 767.16, indicating a wide range of mathematics achievement demonstrated by participants. Mathematics achievement benchmark was a categorical variable recorded as a series of five plausible values. Possible values were as follows: (1) Below low; (2) Low; (3) Intermediate; (4) High; and (5) Advanced.
Science achievement
Student achievement in science was recorded as achievement scores and corresponding achievement benchmarks. Science achievement score was a continuous variable recorded as a series of five plausible values. Scores recorded in the first plausible value ranged from 185.04 to 780.11, indicating a wide range of science achievement demonstrated by participants. Science achievement benchmark was a categorical variable recorded as a series of five plausible values. Possible values were as follows: (1) Below low; (2) Low; (3) Intermediate; (4) High; and (5) Advanced.
Intrinsic value
We operationalised mathematics intrinsic value using the TIMSS Students Like Learning Mathematics Scale, Eighth Grade (Cronbach’s α = 0.94) and science intrinsic value using the TIMSS Students Like Learning Science Scale, Eighth Grade (α = 0.93). For each scale, students responded to nine items (reproduced in the Appendix) using a fourpoint Likert scale ranging from Disagree a lot (0) through to Agree a lot (3). From these raw scores, the IEA constructed the scales using item response theory scaling methods, specifically the Rasch partial credit model (see Martin et al. 2016). Scales were constructed such that the mean score was 10 and the standard deviation was 2 across all countries participating in TIMSS. We use the transformed scale scores in this study.
Selfconcept
We operationalised mathematics selfconcept using the TIMSS Students Confident in Mathematics Scale, Eighth Grade (α = 0.87) and science selfconcept using the TIMSS Students Confident in Science Scale, Eighth Grade (α = 0.90). Students responded to nine items related to mathematics and eight items related to science (reproduced in the Appendix) using the same Likert scale as for intrinsic value. As with intrinsic value, scale scores were constructed using the Rasch approach, and we use these transformed scale scores in this study.
Utility value
We operationalised mathematics utility value using the TIMSS Students Value Mathematics Scale, Eighth Grade (α = 0.90) and science utility value using the TIMSS Students Value Science Scale, Eighth Grade (α = 0.94). For each scale, students responded to nine items (reproduced in the Appendix) using the same Likert scale as for intrinsic value. As with intrinsic value, we use the Raschtransformed scale scores provided by IEA in this study.
Analysis
Missing data
The primary variables analysed in this paper were the six related to mathematics and science attitudes (i.e. intrinsic value, selfconcept, and utility value in each subject). Complete data on these six variables were present for 9697 (93.8%) of cases. We conducted missing data imputation in SPSS as the proportion of cases with missing data was over the 5% rule of thumb suggested in the literature (Dong and Peng 2013; Jakobsen et al. 2017). First, we listwise deleted 287 (2.8%) cases missing data on all six variables. Second, Little’s missing completely at random (MCAR) test showed the data were suited to expectation–maximisation (EM) imputation, χ^{2} = 147.792, df = 150, p = 0.536. Finally, we used EM to impute data for 354 (3.4%) cases. Thus, the final sample for analysis comprised 10,051 cases or 97.2% of the Australian Grade 8 students who participated in TIMSS 2015.
Threestep approach
We performed a threestep LPA (Van Montfort et al. 2017) using Mplus Version 8 and IBM SPSS Statistics Version 25. The first step was the identification of a latent profile model using an enumeration process which involved estimating models with increasing numbers of latent profiles in Mplus. Once a suitable model was identified, the second step involved assigning participants to latent profiles. In the third step, we tested whether various demographic and achievement variables were associated with latent profile membership using SPSS.
In the first step, Mplus was used to generate LPA models with increasing numbers of latent profiles. The six variables entered into the models were mathematics intrinsic value, mathematics selfconcept, mathematics utility value, science intrinsic value, science selfconcept, and science utility value (Table 2 reports correlations between these measures and achievement scores). The analysis type was mixture. For each of the models, the following fit statistics were produced: maximum loglikelihood (LL), Akaike Information Criterion (AIC), Bayesian Information Criterion (BIC), Sample Adjusted Bayesian Information Criterion (SABIC), VuongLoMendellRubin Test (VLMR), and entropy. Initially, a singleprofile model was produced, followed by a twoprofile model, and so on until the fit statistics indicated an optimal solution had been reached, at which point model enumeration ceased.
Table 3 provides fit statistics generated during the profile enumeration process. Several fit statistics were used to evaluate models with increasing numbers of latent profiles. LL, AIC, BIC, and SABIC are information criteria which penalise model complexity, and hence models with lower values are preferred to models with higher values for these statistics (Schreiber and Pekarik 2014). These information criteria continued to decrease as the number of latent profiles increased during the enumeration process, indicating models with more profiles fitted better than models with fewer profiles. VLMR tests whether a model with n profiles has a better fit compared to the model with n−1 profiles (Lo et al. 2001). For example, does the model with seven profiles fit better than the model with six profiles? Using this statistic, model enumeration can cease when a nonsignificant result is obtained, even when the information criteria continue to get smaller (Nyland et al. 2007). This occurred with the sevenprofile model, indicating it did not fit the data significantly better than the sixprofile model. Finally, higher entropy values indicate a clearer delineation of profiles (Celeux and Soromenho 1996). While the highest entropy was obtained in the threeprofile model, the entropy value of the sixprofile model was also high. Altogether, the fit statistics indicated the sixprofile model was the best solution.
In the second step, the Mplus save command was used to create a new dataset with profile membership indicators for each student. As LPA produces a probabilistic model with each student given a likelihood of belonging to each profile, the highest or most probable likelihood was used to assign each student to a single latent profile. This dataset was then imported into SPSS for subsequent analyses.
In the third step, inferential statistical techniques were applied in SPSS to examine differences in mathematics and science achievement between latent profiles and between genders within latent profiles. As some statistical packages cannot handle plausible values used to record achievement scores, some researchers use ‘shortcuts’ such as using only the first or a random plausible value (Laukaityte and Wiberg 2017) or averaging the plausible values (Von Davier et al. 2009) to arrive at a single variable for use in their analyses. However, these approaches can produce biased estimates which, in the case of choosing a single or random plausible value, might vary greatly depending on which plausible value was chosen (Laukaityte and Wiberg 2017). As SPSS does not provide for the use of plausible values through its usual interface, analyses requiring the use of plausible values were set up using the IEA IDB Analyser software (see Foy 2017). The software produces custom SPSS scripts capable of handling plausible values. When run, the scripts perform analyses of achievementrelated variables five times (once for each plausible value). The results are then aggregated to produce accurate estimates of achievement scores and their standard errors, which incorporate both sampling and imputation variance (Foy 2017).
Results
The latent profile model
Naming the profiles
Figure 1 illustrates the sixprofile model by plotting mathematics and science attitudes in relation to one another and then grouping the points which form a single latent profile. For each of the attitudinal scales, the IEA has established reference values to indicate the relative strength of the attitude (see Martin et al. 2016). While the scale score cutoffs differ slightly for each attitude, we have generalised these to negative attitudes towards a subject (scores ≤ 8), positive attitudes towards a subject (scores > 8 but < 10), and very positive attitudes towards a subject (scores ≥ 10). These are illustrated as reference lines in Fig. 1 and enable visual identification of whether, for example, students perceive no intrinsic value in mathematics, some intrinsic value in mathematics, or a high level of intrinsic value in mathematics. The reference values operate in similarly for each of the other mathematics and science attitudes.
Four of the six latent profiles were located along a positive diagonal axis, indicating increasingly positive attitudes to both mathematics and science. One latent profile was located within the part of the plot indicating very positive attitudes towards mathematics but negative attitudes towards science, while another latent profile was located in the region indicating very positive attitudes towards science and positive attitudes towards mathematics. Based on these patterns, we arrived at the profile names Resistant for students (6%) who had negative attitudes towards both subjects, Receptive for students (45%) who were positively disposed towards both mathematics and science, Enthusiastic for students (23%) who had very positive attitudes towards both subjects but at the lower end of the scale, and Very Enthusiastic for students (11%) who had very positive attitudes to both subjects and were located in the top righthand corner of the plot. For the two groups not located along that diagonal continuum, we named one Prefer Mathematics and the other Prefer Science. However, it should be noted that these latent profiles do not parallel one another neatly, as the Prefer Science students (11%) were more positive about mathematics than were the Prefer Mathematics students (6%) towards science.
General profile characteristics
Table 1 reports descriptive statistics for each of the latent profiles, along with ChiSquare tests of association for categorical variables. We highlight some notable features here. First, there was an association between gender and the latent profiles, χ^{2} (5, N = 10,051) = 181.05, p < 0.001. While the Prefer Mathematics and Prefer Science profiles had approximately equal numbers of girls and boys, girls were observed more frequently (58%) than expected in the Resistant profile, while girls were observed less frequently (35%) than expected in the Very Enthusiastic profile. The Receptive and Enthusiastic profiles formed something of a continuum between these extremes.
Second, there was an association between the latent profiles and mathematics benchmarks (χ^{2} [20, N = 10051] = 1506.06, p < 0.001) and science benchmarks (χ^{2} [20, N = 10051] = 1680.56, p < 0.001). Students achieving at the advanced international benchmarks were observed more frequently than expected in the Very Enthusiastic profile for both mathematics (25%) and science (31%), and less frequently than expected in the Resistant profile for both mathematics (1%) and science (1%).
Third, there was an association between studentreported parental education and the latent profiles, χ^{2} (25, N = 9760) = 400.04, p < 0.001. Students who reported having universityeducated parents were observed more frequently than expected in the Enthusiastic (31%), Very Enthusiastic (46%), and Prefer Science (10%) profiles, and less frequently than expected in the Resistant (13%) and Receptive (21%) profiles. In terms of student knowledge of their parents’ education, students who reported not knowing the qualifications held by their parents were observed more frequently than expected in the Resistant (50%) and Receptive (41%) profiles, and less frequently than expected in the Very Enthusiastic (24%) and Prefer Science (32%) latent profiles.
Exploration of achievement, attitudes, and gender
Achievement differences between latent profiles. As shown in Table 1, as the latent profiles’ mean attitude scores increased, so did mathematics and science achievement scores. Table 4 reports t test multiple comparisons between latent profiles to assess whether these observed differences in achievement were statistically significant. All of the latent profiles were significantly different from one another for mathematics achievement (all p < 0.01). The Very Enthusiastic group was the highest achieving (M = 568.93, SD = 70.40) and the Resistant group was the lowest achieving (M = 446.60, SD = 70.39). Students in the Prefer Mathematics (M = 521.12, SD = 75.76) profile achieved better in mathematics than those in the Prefer Science (M = 504.11, SD = 77.56) or Receptive profiles (M = 485.79, SD = 75.56), but not as well as those in the Enthusiastic (M = 536.20, SD = 80.09) profile. Figure 2 shows similar patterns in mathematics achievement in terms of international benchmark scores within each latent profile. In terms of science achievement, each profile was statistically different from the others (all p < 0.001) with two exceptions. The Receptive (M = 494.60, SD = 75.28) and Prefer Mathematics (M = 498.40, SD = 73.02) profiles had similar science achievement scores to one another (p = 0.474), as did the Enthusiastic (M = 536.05, SD = 76.93) and Prefer Science (M = 538.68, SD = 74.53) latent profiles (p = 0.552). In a similar pattern to mathematics achievement, the Very Enthusiastic group (M = 581.14, SD = 69.88) had the highest science achievement, while the Resistant group (M = 445.45, SD = 72.91) had the lowest science achievement. Figure 3 further illustrates science achievement by highlighting the distribution in international benchmark scores within each latent profile.
Achievement differences between genders in latent profiles
Table 5 presents t test multiple comparisons between the achievement scores of girls and boys in each latent profile. There were no significant differences between the genders within any latent profile in either mathematics or science achievement (all p > 0.05).
Attitudinal differences between latent profiles
Table 6 presents a multivariate analysis of variance (MANOVA) of mathematics and science attitudes between the latent profiles. The general finding that attitudes differed significantly between the latent profiles (p < 0.05) was to be expected given the LPA sought to distinguish groups using these variables. However, similarities between some profiles emerged in some attitudinal variables (p > 0.05). Students in the Prefer Mathematics (M = 10.69, SD = 1.44) profile had similar mathematics intrinsic value scores to students in the Enthusiastic (M = 10.65, SD = 1.31) profile. Students in Prefer Mathematics (M = 11.36, SD = 1.77) also had similar mathematics selfconcept scores to students in the Enthusiastic (M = 11.14, SD = 1.69) profile. However, Enthusiastic students (M = 11.44, SD = 1.39) had higher mathematics utility value scores than the Prefer Mathematics (M = 10.82, SD = 1.64) students. Students in the Prefer Science (M = 8.85, SD = 1.42) profile had similar mathematics intrinsic value scores to students in the Receptive (M = 8.68, SD = 1.26) group. Students in the Prefer Science (M = 9.09, SD = 1.66) group also had similar mathematics selfconcept scores to students in the Receptive (M = 9.25, SD = 1.51) latent profile. However, students in Prefer Science (M = 9.65, SD = 1.60) perceived higher mathematics utility value than students in the Receptive (M = 8.97, SD = 1.27) profile. In terms of science attitudes, only one similarity between groups was noted. Students in the Resistant (M = 7.13, SD = 1.97) profile had similar science selfconcept scores to students in the Prefer Mathematics (M = 7.16, SD = 1.84) profile.
Attitudinal differences between genders in latent profiles
Table 7 presents t test multiple comparisons of attitudinal variables between boys and girls within each latent profile. All of the statistically significant differences in mathematics attitudes were in favour of boys, p < 0.05. In the Receptive profile, boys (M = 8.80, SD = 1.17) had higher mathematics intrinsic value scores than girls (M = 8.59, SD = 1.28). Boys had higher mathematics selfconcept than girls in all profiles except the Prefer Mathematics and Receptive profiles, and higher mathematics utility value than girls in the Receptive and Enthusiastic latent profiles (see Table 7 for scores). The picture with science attitudes was a little more complex. There were no differences between the genders in terms of science intrinsic value, p > 0.05. Boys had higher science selfconcept than girls in the Receptive, Enthusiastic, and Prefer Science latent profiles (see Table 7). However, girls saw more utility value in science than boys in the Resistant, Prefer Mathematics, and Enthusiastic profiles (see Table 7).
Discussion
Positive attitudes are mutually beneficial
Summary
Our analysis of TIMSS 2015 revealed six discrete groupings of adolescent attitudes towards both mathematics and science. While there was a small group of Resistant students (6%) who had negative attitudes and poor achievement in both subjects, most students (79%) were Receptive, Enthusiastic, or Very Enthusiastic towards both subjects and had at least intermediate levels of achievement in both. In general, the findings demonstrated that most students’ attitudes towards mathematics and science were aligned and more positive attitudes were associated with better achievement (although causality could not be established by our analysis). Furthermore, this alignment of mathematics and science attitudes suggested that the majority of adolescents in this sample viewed mathematics and science in similar ways, given that their selfconcept in the two subjects was relatively similar (Helm et al. 2016). The broad alignment between attitudes towards mathematics and science was encouraging given mathematics is integral to most of the sciences and that selfconcept in mathematics can influence intentions to take sciencebased courses in further and higher education (Douglas and Attewell 2017; Mau 2003).
Singlesubject preferences
While four of the student groups held relatively equivalent attitudes towards both mathematics and science, we identified two groups of students with a clear preference for one subject over the other. Those students in Prefer Science also held positive views of mathematics. This may be because mathematics underpins many scientific concepts and, as a result, weak mathematics skills are recognised as a potential barrier for learning in science (Karakas 2018). In contrast, the Prefer Mathematics group held negative attitudes to science, possibly indicating that they viewed mathematics as being quite distinct from science and able to be studied without dependence on science knowledge. While further investigation is required, adolescents in the Prefer Mathematics and Prefer Science groups may have viewed mathematics and science as dissimilar subjects (Helm et al. 2016), and their comparatively negative selfconcept in the nonpreferred subject was due to a contrasting internal frame of reference effect (Jansen et al. 2015). The implication for practice is that teachers need to emphasise the interrelated nature of many mathematical and scientific concepts and skills to support positive attitudes in both of those subjects.
Of the two groups with disproportionate attitudes to mathematics and science, the Prefer Science group is potentially at greater risk. The students in this group expressed very positive attitudes towards science, but as their mathematics attitudes were relatively less positive, they may reach a point where they are unable to continue to pursue science as they progress into the senior years of secondary school. This Prefer Science group and the larger Receptive group had similar attitudes to mathematics; however, the Prefer Science group expressed more positive attitudes to science, particularly in terms of their intrinsic valuing of science. In fact, the degree to which they liked the subject is on a par with the Very Enthusiastic group. In terms of achievement, the groups that had a clear preference for one subject over another generally achieved more highly than the Resistant and Receptive groups; however, they achieved at a lower (mathematics) or equivalent (science) rate compared to the Enthusiastic group, whose attitudes to both subjects aligned. We suggest, therefore, that while possessing positive attitudes in both subjects is most beneficial, that having very positive attitudes in at least one subject is more beneficial than moderate or low attitudes in both.
It should be noted here that students responded to items about science as a singular subject and therefore distinctions between student attitudes to particular science subjects (e.g. physics, chemistry, biology) could not be determined. It could be that the students in the Prefer Science group had a greater tendency towards biology rather than sciences with a greater dependency on mathematics skills, such as chemistry and physics. Across the full sample, 45% of students indicated very positive attitudes to science in Grade 8 (i.e. total number of students in the Prefer Science, Enthusiastic, and Very Enthusiastic latent profiles). Significantly, almost onequarter of those students could be at risk due to their relatively poorer attitudes towards mathematics. While science teachers may be primarily concerned with student attitudes to science, this finding indicates that they should also be concerned about student attitudes to mathematics, particularly for those students who express very positive attitudes towards science. Given previous studies have confirmed the importance of intrinsic and utility values in adolescents’ future subject selections (Watt et al. 2012), highlighting the importance of mathematics for science understanding and strategies to increase interest in mathematics may be particularly useful for students such as those in the Prefer Science group.
A nuanced picture of gender differences
Attitudes
Gender differences in selfconcept, intrinsic values, and utility values in mathematics and science are a common feature of the literature. It has been noted that boys tend to have greater selfconcept in mathematics than girls of equal ability (Louis and Mistelle 2012), and previous analysis of TIMSS 2015 observed higher levels of selfconcept among boys in mathematics (Thomson et al. 2017). Our latent profile analysis provided some nuance by indicating differences in some latent profiles but not others. While selfconcept differences in each latent profile were generally in favour of boys, girls held similar ability beliefs in mathematics if they were in the Prefer Mathematics or Enthusiastic groups, and similar ability beliefs in science if they were in the Resistant, Prefer Mathematics, and Very Enthusiastic groups. Given that selfconcept can be influenced by a range of internal and external factors (Marsh 1986), a focus of future research could be to examine why girls in these groups have similar ability beliefs to boys, as such an understanding could be used to better support girls in the other latent profiles. We also noted what could be interpreted as inflated selfconcept in Mathematics among boys in the relatively lowerachieving Resistant latent profile, as their greater selfconcept compared to girls had the largest effect size (d = 0.62) of any noted for attitudinal differences. This finding aligns with previous research that found that, relative to boys, girls’ achievement in mathematics had a larger effect on their selfconcept in mathematics (Correll 2001). In contrast, we found that girls in the Very Enthusiastic latent profile had lower mathematical selfconcept than boys, despite their high achievement. One explanation for this finding is that girls’ selfconcept was influenced by external comparisons with highachieving peers in this profile (Marsh et al. 2008). While further research is needed, these findings collectively suggest that girls in different latent profiles may require different strategies to support their mathematics and science selfconcept.
While previous research has shown that girls’ intrinsic valuing of mathematics was lower than boys among Australian adolescents (Watt et al. 2012), we only observed a gender difference in the Receptive latent profile. Boys liked mathematics more than girls in this profile, although the effect size was small by conventional standards (d = 0.17) according to Cohen (1988) who suggested that an effect size is small if less than 0.2, medium if between 0.2 and 0.5, and large if greater than 0.5. One explanation for this finding is that girls and boys in the Receptive profile may have differed in their perceptions of learning activities designed to promote interest in mathematics. In either case, we argue that strategies to increase enjoyment and interest for girls in this group should be considered, given the importance of intrinsic value for continued study of mathematics (Watt et al. 2012). We found no gender differences for intrinsic valuing of science, suggesting that boys and girls display similar levels of enjoyment and interest in science within each latent profile.
We observed several gender differences in utility value within the latent profiles, with these differences favouring boys in mathematics and girls in science. While previous research with Australian adolescents found that there was no significant gender difference in mathematics utility value (Watt 2004, 2006), boys had significantly higher mathematics utility value in the Receptive and Enthusiastic profiles in our study. It is possible that our finding reflects a shift in how the importance of mathematics is communicated to some girls in Australia over time, although we strongly recommend further investigation of this possibility in future research. Girls valued science more than boys in the Resistant, Prefer Mathematics, and Enthusiastic profiles. Given the relatively negative science attitudes of the Resistant and Prefer Mathematics groups, this may be interpreted as girls in these groups being more likely to believe that science is valuable despite having poorer selfconcept in science (ElseQuest et al. 2013).
Achievement
Previous analysis of TIMSS 2015 came to the notable conclusion of no gender differences among Australian Grade 8 students in terms of mathematics or science achievement (Thomson et al. 2017). While our analysis also found no statistically significant gender differences in mean mathematics and science achievement scores in each latent profile, we did observe an uneven distribution of boys and girls in the latent profiles. Among students who expressed a preference for one subject over the other, there was an approximately even distribution of boys and girls. However, girls were overrepresented in the Resistant latent profile compared to boys. At the other extreme, girls were underrepresented in the Very Enthusiastic latent profile compared to boys. As such, adolescent girls and boys with similar attitudes had the same levels of achievement, but there were fewer girls in the groups which represented more positive attitudes towards both mathematics and science. A previous latent profile analysis of adolescents’ selfconcept in different school subjects found that girls were underrepresented in the high mathematicsrelated selfconcept group (Sass and Kampa 2019). Similarly, Watt et al. (2019) observed a greater proportion of girls were motivationally disengaged with mathematics compared to boys, as girls perceived higher costs for participation in that subject. Our study has added to this picture by finding that girls were underrepresented in the group that had a very positive selfconcept, intrinsic value, and utility values in mathematics and science. This finding is important as it demonstrates that while there were no overall achievement differences between boys and girls, attitudinal profiles did differ by gender, and girls tended to have less favourable attitudes towards mathematics and science than boys. Given efforts to improve female representation in these disciplines, understanding that the key contributor appears to be attitudes and not achievement provides a focal point for future intervention.
Supporting girls in science and mathematics
There has been longstanding concern about girls’ lower participation rates and aspirations in STEM fields compared to boys, with various complex and interrelated barriers becoming the subject of intervention efforts (Holmes et al. 2018). While our latent profile analysis confirmed the broad attitudinal differences already known to exist between boys and girls, the benefit of this personcentred method is the uncovering of the different types of attitudinal groupings to which boys and girls belong. As such, researchers and equity practitioners engaged in efforts to increase female uptake of STEM education might find the differing characteristics of these groups useful in targeting specific needs. It could be the case that girls with different attitudes towards mathematics and science need different activities to support their achievement and aspirations in those disciplines during secondary schooling and beyond.
Limitations and future research
There are several limitations to this study which should be noted. First, while the sample was representative of Australian earlyadolescents, caution should be exercised in generalising these findings to other country and age contexts, particularly in light of past research that has shown that some attitudes towards STEM subjects vary by country (e.g. Watt et al. 2012), and during childhood (e.g. Jacobs et al. 2002) and adolescence (e.g. Watt 2004). Second, while we noted associations between latent profile membership and achievement in mathematics and science, our analyses were not designed to test for causality either way. The chickenandegg question of whether positive attitudes result in higher achievement, or the other way around, remains unaddressed here. However, previous research has indicated it is a complex bidirectional relationship (Lee et al. 2015). Finally, while our interest in this question was prompted by declining enrolments in higher levels of mathematics and science in the senior years of schooling, the data do not allow us to connect latent profile membership in Grade 8 to actual subject selections in Grades 11 and 12. These limitations open avenues for further research.
In this study, we limited our focus to identifying the latent profile structure in the Australian Grade 8 TIMSS 2015 sample and exploring the associations between those attitudinal latent profiles, gender, and achievement scores. The TIMSS dataset contains other variables of interest which might be interesting to examine with these latent profiles, such as students’ perceptions about engaging teaching in each subject. Consideration of negatively valenced motivation factors (e.g. costs in expectancyvalue theory) could also be interesting. Future research using LPA might also examine the latent profile structure among the Grade 4 sample and in other countries. An interesting question arising from this study is whether younger students are more positive about both subjects than older students, and, relatedly, whether the latent profile structures might change between childhood and adolescence. Similarly, crosscountry investigations that compare the latent profile structures and associations with gender between countries with different subject rankings may also be illuminating for researchers and practitioners.
Conclusion
In this study, we used latent profile analysis to jointly investigate the attitudes of Australian adolescents towards mathematics and science. The novel contribution of our findings is that the most adaptive attitudes for student achievement in each subject are those which are positive to both subjects. Where others have noted that mathematics acts as a “gatekeeper” for further study in the sciences (Douglas and Attewell 2017), we also contend that science presents an applied avenue for school students to appreciate the practical utility of mathematical concepts and skills. Given economic projections indicate that careers in fields that integrate mathematics and science will be increasingly prevalent in the twentyfirst century, it is important for educators to understand the mutual benefit of positive attitudes towards both subjects. Using the latent profiles we have identified as a heuristic for the different types of students in their classes, mathematics and science teachers can tailor their pedagogical approaches to foster student enjoyment, selfconcept, and perceived value in these vitally important subjects.
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Appendix
Appendix
Items comprising each of the TIMSS attitudinal scales
Items reproduced from Martin et al. (2016). An asterisk (*) indicates a reversecoded item.
Students like learning mathematics scale, eighth grade

1.
I enjoy learning mathematics.

2.
I wish I did not have to study mathematics*.

3.
Mathematics is boring*.

4.
I learn many interesting things in mathematics.

5.
I like mathematics.

6.
I like any schoolwork that involves numbers.

7.
I like to solve mathematics problems.

8.
I look forward to mathematics class.

9.
Mathematics in one of my favourite subjects.
Students confident in mathematics scale, eighth grade

1.
I usually do well in mathematics.

2.
Mathematics is more difficult for me than for many of my classmates*.

3.
Mathematics is not one of my strengths*.

4.
I learn things quickly in mathematics.

5.
Mathematics makes me nervous*.

6.
I am good at working out difficult mathematics problems.

7.
My teacher tells me I am good at mathematics.

8.
Mathematics is harder for me than any other subject*.

9.
Mathematics makes me confused*.
Students value mathematics scale, eighth grade

1.
I think learning mathematics will help me in my daily life.

2.
I need mathematics to learn other school subjects.

3.
I need to do well in mathematics to get into the university of my choice.

4.
I need to do well in mathematics to get the job I want.

5.
I would like a job that uses mathematics.

6.
It is important to learn about mathematics to get ahead in the world.

7.
Learning mathematics will give me more job opportunities when I am an adult.

8.
My parents think it is important that I do well in mathematics.

9.
It is important to do well in mathematics.
Students like learning science scale, eighth grade

1.
I enjoy learning science.

2.
I wish I did not have to study science*.

3.
Science is boring*.

4.
I learn many interesting things in science.

5.
I like science.

6.
I look forward to learning science in school.

7.
Science teaches me how things in the world work.

8.
I like to conduct science experiments.

9.
Science is one of my favourite subjects.
Students confident in science scale, eighth grade

1.
I usually do well in science

2.
Science is more difficult for me than for many of my classmates*.

3.
Science is not one of my strengths*.

4.
I learn things quickly in science.

5.
I am good at working out difficult science problems.

6.
My teacher tells me I am good at science.

7.
Science is harder for me than any other subject*.

8.
Science makes me confused*.
Students value science scale, eighth grade

1.
I think learning science will help me in my daily life.

2.
I need science to learn other school subjects.

3.
I need to do well in science to get into the university of my choice.

4.
I need to do well in science to get the job I want.

5.
I would like a job that involves using science.

6.
It is important to learn about science to get ahead in the world.

7.
Learning science will give me more job opportunities when I am an adult.

8.
My parents think that it is important that I do well in science.

9.
It is important to do well in science.
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Berger, N., Mackenzie, E. & Holmes, K. Positive attitudes towards mathematics and science are mutually beneficial for student achievement: a latent profile analysis of TIMSS 2015. Aust. Educ. Res. 47, 409–444 (2020). https://doi.org/10.1007/s13384020003798
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DOI: https://doi.org/10.1007/s13384020003798