Abstract
The purpose of this study was twofold: first, to investigate science teachers’ views about the nature of science (NOS); and second, to examine science teachers’ views about their NOS integration into instruction. Reconceptualized family resemblance approach to nature of science (RFN) is used as a theoretical and analytical framework. The participants of this study included 13 in-service science teachers in Turkey, and the data were collected through semi-structured interviews. It is noticed that teachers used scientific practices and scientific methods interchangeably. Participants provided detailed explanations regarding the social-institutional system of science. Participants’ views and interpretations were compatible with the RFN framework, which can show that they were aware of the social aspect of science. Concerning the NOS integration into instructions, findings revealed that teachers who had spent more time on NOS tended to include or thought it is important to include NOS into science lessons. Based on the results, it is suggested that the RFN framework can be used as both an analytical and theoretical framework to investigate teachers’ understanding of NOS.
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Appendices
Appendix 1. Codes on teachers’ views about the definition of the NOS
Aspects | Child-code | Explanation of the code |
---|---|---|
Aims and Values | Serving to humanity | Meeting the needs of society, contributing to public welfare, and to the development of economy and technology |
Produce knowledge* | Producing knowledge to pursue the unknown, with the aim of sharing it with people | |
Value-free and ethics | Science should be free-from all values and boundaries or science should be conducted under certain values and moral issues including rights of the people and animals | |
Honesty | Scientists being honest about the data and results they provide | |
Objective, clarity, and free from bias | Characteristics of scientific claims that scientists present which are independent from particular groups biases | |
Other | The role of aims and values in the scientific process. Doing activities that encouraging students to engage in discussions related to scientific aims and values | |
Methods and methodological rules | Steps of the scientific method * • Stating a problem • Forming hypothesis • Doing research • Data collection • Testing • Experimentation and observation | The universal steps scientists follow during scientific studies |
Hypothesis | The role of forming hypothesis in scientific studies | |
Domain-specific methods • Historical evidence • Observational evidence | Different methods used in different branches of science | |
Methodological rules; | ||
Controlled experiments | Making sure to set up the same conditions and controlling the variables to minimize the occurrence of possible errors | |
Considering different opinions | Recognizing different opinions during the research | |
Ethical considerations | Certain values that include concerning the rights of the subjects | |
Scientific Practices | Communication | Engaging arguments and discourse related to findings |
Creative thinking* | Thinking differently, developing new solutions to problems | |
Critical thinking* | Ability to question, analyze, make informed judgments and decisions | |
Observation | A scientific practice of gathering data using all senses through attentive watching, noticing, or making inference from people or objects | |
Experimentation | A scientific practice of conducting investigations carried out through testing, manipulating variables to produce and collect reliable data | |
Scientific Knowledge | Testable* | Information that is gathered through sets of scientific methods |
Universally acceptable* | It is believed and accepted by everyone without no disagreement | |
Tentative * | Changes in scientific knowledge with new evidence | |
Trustworthy* | Reliable knowledge that has been justified by various methods | |
Consistency* | Acquiring the same results when the study is repeated in different times and places | |
Laws | ||
as proved theories | Theories become laws when enough evidence is collected | |
as an observed phenomenon | A form of scientific knowledge that describes the relationships among the observed phenomena in the natural world | |
Theories | ||
as proved hypotheses | A hypothesis becomes theories when they are proved | |
as unconfirmed prediction | Theories are predictions that have not reached certainty | |
as explanationsModels | A form of scientific knowledge that explains how natural phenomena work | |
as visualization | A form of scientific knowledge that is a representation of the system of ideas | |
Social-Institutional system of science | Social and cultural context | The effect of the social and cultural context of societies on scientific processes |
Ethos | Attitudes that scientists are expected to display during their scientific activities | |
Dissemination of scientific knowledge | Sharing and publishing the findings of scientific studies through various events | |
Social organizations | Institutions where scientists work such as universities, research centers | |
Political powers | Effect of politicians and ideology of governments on scientific processes | |
Financial system | The role of economic resources and funding in scientific studies |
Appendix 2. Codes on teachers’ views on NOS integration into their instruction
Aspects | Child-code | Explanation of the code |
---|---|---|
Aims and Values | Lack of student interest | Would not integrate because students would not be interested in this side of science |
Difficult to teach | It is both difficult to teach for teachers and learn for students, especially in middle school | |
Examples from the history of science | Incorporating the history of science into the instructional process, such as providing historical information about the origins and the development of the scientific studies | |
Daily life examples | Mentioning the controversial recent events in the country and the world | |
Activities involving consideration of aims and values | Doing activities that encourage students to engage in discussions related to scientific aims and values | |
Methods and methodological rules | Complicated | It is hard for the student to understand because it is complicated and abstract |
Insufficient laboratory conditions | Cannot integrate experimental methods because the laboratory conditions are insufficient | |
Limited time | The number of science lessons is not enough to allocate time to elaborate the aspect | |
High curricular load | Primary concerns about covering the high number of objectives in the curriculum limits teachers instruction | |
Scientific Practices | Necessary | Considers necessary for students to learn because it would promote students to gain self-confidence and make familiarize with the scientific procedures |
Explicit integration | Directs students' attention to the practices and their roles in the process | |
Implicit integration | Teachers make demonstrations or ask students to perform certain practices such as observation, experimentation; however, they do not deliberately give details and make explanations overtly | |
Insufficient resources | Due to limited conditions in the schools cannot practice scientific practices such as experiments | |
Scientific Knowledge | Inadequate understanding | Teachers do not hold adequate understanding about the characteristics and the forms of scientific knowledge to teach confidently |
Hard to teach | The concepts are compelling for teachers to teach | |
Emphasis on models | Compared to laws and theories, emphasis is mostly given to the representation of the scientific models in the lessons | |
Inadequate guidance in textbooks | The given content is not clear enough for teachers on how to include and relate to the development of scientific knowledge in their instruction | |
Social-Institutional system of science | Not useful | It is not useful for students to learn this aspect because it is not fun and would not attract students' attention |
Necessary | Considered necessary for students to learn this concept because it would raise students' awareness related to science's different aspect | |
No curricular emphasis | Do not integrate because there are no objectives in the curriculum | |
Science projects | Teachers include this aspect with having students to involve in science projects |
Appendix 3. Semi-structured interview questions
Interview Questions
The aim of this study to get your views about science education. There are no right or wrong answers. Your identity will not be revealed in any way, and your answers will be used for research purposes only. Therefore, I request you to answer the questions sincerely. If you allow me, I would like to record the conversation.
-
1.
How old are you?
-
2.
How many years have you been teaching?
-
3.
What grade levels do you teach?
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4.
Which program did you graduate from? What is the latest degree you have? (master’s/doctorate)
-
5.
Did you receive any lesson/course about the nature of science, history of science or philosophy of science?
When did you receive?
Can you provide any details about the content of the lesson/course?
-
6.
Have you read any book related to the nature of science, history of science or philosophy of science?
Can you give any details about the content?
-
7.
What do you think of when I say aims of science?
-
8.
What do you think of when I say values of science?
-
9.
What are the roles of aims and values in science?
-
10.
Do you think aims and values of science should be taught to middle school students?
How would students benefit from learning aims and values of science? Or would they? Please explain
-
11.
How aims and values of science can be integrated in science lessons?
Do you think you make connection to aims and values of science in your lessons? If yes can you give examples?
-
12.
.What do you think of when I say scientific methods?
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13.
Do you think data collection methods scientists use differ? How?
In non-experimental methods how scientists collect and verify their data?
-
14.
What should scientists pay attention to minimize the errors that would occur?
-
15.
Do you think scientific methods should be taught to middle school students?
How would students benefit from learning aims and values of science? Or would they? Please explain
-
16.
How scientific methods can be integrated in science lessons?
Do you think you make connection to scientific methods in your lessons? If yes, can you give examples?
-
17.
What do you think of when I say scientific practices? If you are not familiar with the term what do you think of science process skills?
Do you think are there common/different practices used in all branches of science? what are they?
-
18.
Do you think scientific practices should be taught to middle school students?
How would students benefit from learning scientific practices? Or would they? Please explain
-
19.
How scientific practices can be integrated in science lessons?
Do you think you make connection to scientific practices in your lessons? If yes, can you give examples?
-
20.
What do you think of when I say scientific knowledge? What makes knowledge scientific?
-
21.
What are the characteristics of scientific knowledge?
-
22.
What are the types of scientific knowledge?
What are the characteristics of scientific laws? Are there any laws that have changed or lost their validity? If so, can you explain what would cause this?
What are the characteristics of scientific theories? Are there any theories that have changed or lost their validity? If so, can you explain what would cause this?
What are the characteristics of scientific models? In what purpose scientific models are used?
-
23.
Do you think characteristics of scientific knowledge and the types of scientific knowledge should be taught to middle school students?
How would students benefit from learning scientific knowledge? Or would they? Please explain
-
24.
How the characteristics and the types of scientific knowledge can be integrated in science lessons?
Do you think you make connection to the different types of scientific knowledge practices in your lessons? If yes, can you give examples?
-
25.
What do you think of when I say social-institutional system of science?
What kind of professional activities do scientists do? Could you give some examples?
Do you think is there a relationship between science and political structure of the authority? What kind of relationship do you think exist? How is science affected from this ?
Do you think is there a relationship between science and financial systems?
What do you think how scientists share their research?
What do you think how scientists should behave with their colleagues and during their scientific activities?
-
26.
Do you think social-institutional system of science should be taught to middle school students?
How would students benefit from learning social-institutional system of science? Or would they? Please explain
-
27.
How social-institutional system of science can be integrated in science lessons?
Do you think you make connection to the social-institutional system of science in your lessons? If yes, can you give examples?
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Demirel, Z.M., Sungur, S. & Çakıroğlu, J. Science Teachers’ Views on the Nature of Science and its Integration into Instruction. Sci & Educ 32, 1401–1433 (2023). https://doi.org/10.1007/s11191-022-00409-0
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DOI: https://doi.org/10.1007/s11191-022-00409-0