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G. Giannakopoulos

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Review Open access Aug 2026

Health Behaviors, Mental Health, and Peer Relationships in Adolescence: A Scoping Review

Adolescence is a critical developmental period marked by the interaction of health behaviors, psychosocial functioning, and peer relationships. This scoping review mapped quantitative evidence on the associations between health behaviors, emotional and behavioral problems, and peer-related factors among adolescents, ac...

Francheska Erotokritou, G. Giannakopoulos · 0 citations
Review Open access Sep 2026

Cross-Informant Agreement and Discrepancies in ADHD Assessment During Adolescence: A Systematic Review and Meta-Analysis

Highlights What are the main findings? Cross-informant agreement for adolescent attention-deficit/hyperactivity disorder symptoms was positive but modest and highly heterogeneous across caregiver, adolescent and teacher reports. Caregiver–adolescent pooled correlations averaged r = 0.33 for inattention and r = 0.32 for...

G. Giannakopoulos, Afroditi Prassou · 0 citations

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