Efficacy of Cognitive-Functional (Cog-Fun) Occupational Therapy Intervention Among Children With ADHD: An RCT

Jeri Hahn-Markowitz*, Itai Berger, Iris Manor, Adina Maeir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Objective: To examine the efficacy of a Cognitive-Functional (Cog-Fun) intervention for children with ADHD. Method: Random allocation of 107 children to study or control groups preceded 10 parent–child weekly Cog-Fun sessions emphasizing executive strategy training in games and daily activities. Controls received treatment after crossover. Study participants were followed up 3 months post-treatment. Outcomes included parent/teacher ratings of executive functions, ADHD symptoms, and parent ratings of quality of life. Results: Eight children withdrew prior to treatment. All children in both groups who began treatment completed it. Mixed effects ANOVA revealed significant Time × Group interaction effects on all parent-reported outcomes. Treatment effects were moderate to large, replicated after crossover in the control group and not moderated by medication. Parent-reported treatment gains in the study group were maintained at follow-up. No significant Time × Group interaction effects were found on teacher outcomes. Conclusion: Cog-Fun occupational therapy (OT) intervention shows positive context-specific effects on parent, but not teacher, ratings.

Original languageAmerican English
Pages (from-to)655-666
Number of pages12
JournalJournal of Attention Disorders
Issue number5
StatePublished - 1 Mar 2020

Bibliographical note

Publisher Copyright:
© The Author(s) 2016.


  • child ADHD
  • executive functions (EF)
  • intervention
  • quality of life (QoL)


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