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This study examines the distinct developmental trajectories of prosocial and rebellious behaviors in adolescence. Using data from an accelerated three-wave project (2018-2022) among adolescents aged 9-22 years (N = 142, 63% female, middle-high SES, white European descent), trajectories of prosocial actions toward friends and peers, prosocial tendencies across multiple situations, giving to charities, and general social value orientation were examined. By examining age-, puberty-, and hormonal-related trajectories, the study demonstrates increases in prosocial behaviors to friends and peers, dire and compliant behavior, and charitable giving, which were more strongly explained by pubertal maturation than age. Public prosocial behavior decreased with age. The results confirm the multidimensionality of prosocial behavior, demonstrate correlations with rebelliousness, and show that prosocial behavior is context-dependent.
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http://dx.doi.org/10.1111/cdev.70009 | DOI Listing |
Arch Sex Behav
September 2025
Department of Psychology, University of Toronto Mississauga, Mississauga, ON, L5L 1C6, Canada.
The kin selection hypothesis (KSH) proposes that same-sex attracted individuals offset their lowered direct reproduction via kin-directed altruism that increases close genetic relatives' reproduction, thereby enhancing inclusive fitness. Retrospective research found that childhood concerns for kin's well-being are elevated among birth-assigned males who are androphilic (i.e.
View Article and Find Full Text PDFBiol Lett
September 2025
Evolutionary Animal Ecology, University of Bayreuth, Bayreuth, Germany.
Theoretical and empirical considerations suggest that relatedness can have complex effects on social life. While high relatedness may promote sibling cooperation and altruism through indirect fitness benefits, it can also intensify competition if siblings share similar needs and competitive strategies. Moreover, low genetic diversity in highly related groups may heighten susceptibility to pathogens.
View Article and Find Full Text PDFBrain Behav
September 2025
Centre For Cognitive and Clinical Neuroscience, College of Health, Medicine and Life Sciences, Brunel University of London, London, UK.
Introduction: There is an ongoing debate about the neural mechanisms and subjective preferences involved in the processing of social rewards compared to non-social reward types.
Methods: Using whole-brain functional magnetic resonance imaging (fMRI), we examined brain activation patterns during the anticipation and consumption phases of monetary and social rewards (using the Monetary and Social Incentive Delay Task-MSIDT, featuring human avatars) and their associations with self-reported social reward preferences measured by the Social Reward Questionnaire (SRQ) in 20 healthy right-handed individuals.
Results: In the anticipation phase, all reward types activated the dorsal striatum, middle cingulo-insular (salience) network, inferior frontal gyrus (IFG), and supplementary motor areas.
PLoS One
September 2025
Department of Developmental Psychology, Tilburg University, Tilburg, The Netherlands.
Background: Children with conduct problems vary considerably in how they respond to behavioral interventions. Although group-based, child-focused programs are increasingly implemented, research still relies on retrospective parent or teacher reports and group-level outcomes. These traditional approaches often obscure individual differences in treatment response and reduce the potential for individualized behavioral support tailored to each child's unique profile.
View Article and Find Full Text PDFFront Psychol
August 2025
Institute of Physical Education and Social Sciences, Shandong Sports University, Jinan, China.
[This corrects the article DOI: 10.3389/fpsyg.2025.
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