The purpose of this study was to investigate the trends and the effects of intervention related to ADHD children by meta-analysis. Methods: After review of 200 articles released from 1990 to 2009 from RISS, KISS,and DBpia, 26 studies was conducted to determine methodological data, 362 research variables, using SPSS/WIN 17.0 program. Results: Effects size of overall intervention is 1.32 which is high level in terms of Cohen criteria. The greatest effect of intervention is obtained from cognitive behavior control training (1.79). Also art therapy (1.29)and social skill training (0.97) are highly effective whereas parents education (0.66) is only moderate effective. Duration of each session and numbers of session are influential in cognitive behavior control and social skills training. Conclusion: The results reveal that ADHD intervention has large effect sizes for core features and peripheral features of target outcome variables. For improving the reliability of the meta-analysis results by minimizing publication bias, more intervention studies using appropriated study design should be done.
The purpose of this study was to investigate the trends and the effects of intervention related to ADHD children by meta-analysis. Methods: After review of 200 articles released from 1990 to 2009 from RISS, KISS,and DBpia, 26 studies was conducted to determine methodological data, 362 research variables, using SPSS/WIN 17.0 program. Results: Effects size of overall intervention is 1.32 which is high level in terms of Cohen criteria. The greatest effect of intervention is obtained from cognitive behavior control training (1.79). Also art therapy (1.29)and social skill training (0.97) are highly effective whereas parents education (0.66) is only moderate effective. Duration of each session and numbers of session are influential in cognitive behavior control and social skills training. Conclusion: The results reveal that ADHD intervention has large effect sizes for core features and peripheral features of target outcome variables. For improving the reliability of the meta-analysis results by minimizing publication bias, more intervention studies using appropriated study design should be done.
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