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Effects of School-based Multicomponent Positive Psychology Interventions on Well-being and Distress in Adolescents: A Systematic Review and Meta-analysis

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Abstract

Multicomponent positive psychology interventions are increasing in the general population but the study of its effectiveness in adolescents is still scarce, especially in the school context. Previous meta-analyses have reported that multicomponent positive psychology interventions increase well-being and reduce distress outcomes. However, the results on these outcomes limit their samples to adult populations. The aim of the current systematic review and meta-analysis is to evaluate and compare the immediate but also long-lasting effects of school-based multicomponent positive psychology interventions aimed at increasing well-being indicators of mental health (i.e., subjective and psychological well-being) and reducing the most common psychological distress indicators (i.e., depression, anxiety, and stress) in adolescents. A total of 9 randomized and non-randomized controlled trials from the searched literature met inclusion criteria for the meta-analysis. The results showed small effects for subjective well-being (g = 0.24), psychological well-being (g = 0.25), and depression symptoms (g = 0.28). Removing low-quality studies led to a slight decrease in the effect sizes for subjective well-being and a considerable increase for psychological well-being and depression symptoms. The relevant moderation analyses had an effect on subjective well-being and depression symptoms. The present systematic review and meta-analysis found evidence for the efficacy of school-based multicomponent positive psychology interventions in improving mental health in the short and long-term. Small effects for subjective well-being, psychological well-being, and depression symptoms were identified. Effects for psychological well-being and depression symptoms remained significant over time. In light of our results, education policy-makers and practitioners are encouraged to include positive practices within the schools’ curriculum as effective and easily implemented tools that help to enhance adolescents’ mental health. Further research is needed in order to strengthen the findings about school-based multicomponent positive psychology interventions in adolescents.

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Acknowledgements

We would like to thank Jorge Moya and Jaume March for their contributions to earlier versions of this manuscript.

Authors' Contributions

C.T.G. conceived of the study, participated in the initial literature search, the evaluation of quality of studies, conducted the preliminary statistical analysis and wrote the first draft of the manuscript; A.B.B. advised the design, participating in the identification of relevant studies, the evaluation of quality of studies, interpretation of the study findings and helped to draft the manuscript; C.T.N. participated in the literature search, data extraction and statistical analysis; C.A. contributed to the conceptualization of the study, interpretation of the findings and oversaw study execution. All authors read and approved the final manuscript.

Data Sharing and Declaration

The datasets generated and/or analyzed during the current study are not publicly available but are available from the corresponding author on reasonable request.

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Correspondence to Claudia Tejada-Gallardo.

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The authors declare that they have no conflict of interest.

Ethical Approval

The current manuscript used published studies as the sole data source and did not involve any other data collection or direct interactions with human participants. As such, seeking approval from a human subjects’ review committee is irrelevant.

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This research did not involve any data collection or direct interaction with participants and therefore informed consent was not obtained.

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Appendices

Appendix: Table 5

Table 5 Strings of the search

Appendix: Table 6

Table 6 Abbreviations of questionnaires

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Tejada-Gallardo, C., Blasco-Belled, A., Torrelles-Nadal, C. et al. Effects of School-based Multicomponent Positive Psychology Interventions on Well-being and Distress in Adolescents: A Systematic Review and Meta-analysis. J Youth Adolescence 49, 1943–1960 (2020). https://doi.org/10.1007/s10964-020-01289-9

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  • DOI: https://doi.org/10.1007/s10964-020-01289-9

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