Volume 14, Issue 1 (Spring 2010)                   hmj 2010, 14(1): 45-54 | Back to browse issues page

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Tavousi M, Hidarnia A, Montazeri A, Taremian F, hajizadeh E, Ghofranipour F. Modification of Reasoned Action Theory and comparison with the original version by path analysis for substance abuse prevention among adolescents. hmj. 2010; 14 (1) :45-54
URL: http://hmj.hums.ac.ir/article-1-140-en.html
Associate Professor Department of Health Education
Abstract:   (9007 Views)
Introduction: Objective of present study was assessing the competence of self efficacy to development of theory of Reasoned Action (TRA) and comparison with original version by path analysis for substance abuse prevention among adolescents.
Methods: In this analytic study, 433 randomly selected adolescents (range of age 15–19) from Tehran participated in study. The study design was based on the theory of Reasoned Action and other self efficacy methods. Validity and reliability of the study questionnaire was assessed. Then the collected data were analyzed by using path analysis method
Results: The results indicated that the reasoned action developed by self efficacy, has a better fitness (RMSEA=0.043 – df /χ٢=1.77– P-value=0.1829) compare to the original (RMSEA=0.128 – df /χ٢ =7.96 – P-value=0.00479) in path analysis. In this study self efficacy become effective construct for fitness of model and powerful predictors for intention (ß=0.35) and behavior (ß=0.20). The model covered 36% of intention variance and 28% of behavior variance.
Conclusion: The reasoned action was developed by self efficacy and increased its prediction.
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Type of Study: Research | Subject: General
Received: 2012/10/19

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