Bidirectional Associations Between Adolescents' Weekly Variation and Selection of Behavior, Well-Being, and Social Support During a Brief ACT-Based Internet Intervention.

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Title: Bidirectional Associations Between Adolescents' Weekly Variation and Selection of Behavior, Well-Being, and Social Support During a Brief ACT-Based Internet Intervention.
Authors: Hämäläinen, Tetta (AUTHOR), Kaipainen, Kirsikka (AUTHOR), Keinonen, Katariina (AUTHOR), Muotka, Joona (AUTHOR), Räsänen, Panajiota (AUTHOR), Kiuru, Noona (AUTHOR)
Source: Cognitive Therapy & Research. Jun2026, Vol. 50 Issue 3, p559-572. 14p.
Subjects: Well-being, Acceptance & commitment therapy, Gender differences (Sociology), Teenagers, Internet programming, Social support, Choice (Psychology), Human behavior
Abstract: Background: We investigated the extent to which adolescent (n = 314) well-being (i.e., life satisfaction, internalizing symptoms) and social support predict weekly variation of behavior, adaptive behavioral selection, and maladaptive behavioral selection during a five-week internet intervention based on acceptance and commitment therapy (ACT) and the extent to which variation and selection of behavior predict well-being and social support. Additionally, gender and readiness to change were examined as predictors of individual differences. Methods: Research questions were investigated using random intercept cross-lagged panel modeling. Results: Higher variation, adaptive behavioral selection, and maladaptive behavioral selection were consistently associated with adolescents' higher life satisfaction and social support. Cross-lagged and bidirectional within-individual associations became apparent towards the end of the intervention. Gender-based differences were identified in well-being, social support, and variation and selection of behavior and well-being, social support, and variation and selection of behavior were predicted differently by different stages of readiness to change. Conclusions: The findings contribute to process-based literature by enhancing our understanding of the underlying between- and within-individual mechanisms during an ACT intervention for adolescents. The results provide valuable new knowledge on the weekly associations between adolescent well-being, social support, and variation and selection of behavior. [ABSTRACT FROM AUTHOR]
Copyright of Cognitive Therapy & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Bidirectional Associations Between Adolescents' Weekly Variation and Selection of Behavior, Well-Being, and Social Support During a Brief ACT-Based Internet Intervention.
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  Data: <searchLink fieldCode="JN" term="%22Cognitive+Therapy+%26+Research%22">Cognitive Therapy & Research</searchLink>. Jun2026, Vol. 50 Issue 3, p559-572. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Well-being%22">Well-being</searchLink><br /><searchLink fieldCode="DE" term="%22Acceptance+%26+commitment+therapy%22">Acceptance & commitment therapy</searchLink><br /><searchLink fieldCode="DE" term="%22Gender+differences+%28Sociology%29%22">Gender differences (Sociology)</searchLink><br /><searchLink fieldCode="DE" term="%22Teenagers%22">Teenagers</searchLink><br /><searchLink fieldCode="DE" term="%22Internet+programming%22">Internet programming</searchLink><br /><searchLink fieldCode="DE" term="%22Social+support%22">Social support</searchLink><br /><searchLink fieldCode="DE" term="%22Choice+%28Psychology%29%22">Choice (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Human+behavior%22">Human behavior</searchLink>
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  Data: Background: We investigated the extent to which adolescent (n = 314) well-being (i.e., life satisfaction, internalizing symptoms) and social support predict weekly variation of behavior, adaptive behavioral selection, and maladaptive behavioral selection during a five-week internet intervention based on acceptance and commitment therapy (ACT) and the extent to which variation and selection of behavior predict well-being and social support. Additionally, gender and readiness to change were examined as predictors of individual differences. Methods: Research questions were investigated using random intercept cross-lagged panel modeling. Results: Higher variation, adaptive behavioral selection, and maladaptive behavioral selection were consistently associated with adolescents' higher life satisfaction and social support. Cross-lagged and bidirectional within-individual associations became apparent towards the end of the intervention. Gender-based differences were identified in well-being, social support, and variation and selection of behavior and well-being, social support, and variation and selection of behavior were predicted differently by different stages of readiness to change. Conclusions: The findings contribute to process-based literature by enhancing our understanding of the underlying between- and within-individual mechanisms during an ACT intervention for adolescents. The results provide valuable new knowledge on the weekly associations between adolescent well-being, social support, and variation and selection of behavior. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Cognitive Therapy & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jun2026
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