MetaAnalysis of the Reasoned Action Approach RAA

Authors: McEachan Rosemary Taylor Natalie Harrison Reema Lawton Rebecca Gardner Peter Conner Mark

Publish Date: 2016/08/01

Volume: 50, Issue: 4, Pages: 592-612

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Abstract

Rosemary McEachan Natalie Taylor Reema Harrison Rebecca Lawton Peter Gardner Mark Conner MetaAnalysis of the Reasoned Action Approach RAA to Understanding Health Behaviors Annals of Behavioral Medicine Volume 50 Issue 4 August 2016 Pages 592–612 https//doiorg/101007/s1216001697984The present research reports a metaanalysis of correlational tests of RAA subcomponents examination of moderators and combined effects of subcomponents on intention and behavior Regressions were used to predict intention and behavior based on data from studies measuring all variablesCapacity and experiential attitude had large and other constructs had smallmediumsized correlations with intention all constructs except autonomy were significant independent predictors of intention in regressions Intention capacity and experiential attitude had mediumlarge and other constructs had smallmediumsized correlations with behavior intention capacity experiential attitude and descriptive norm were significant independent predictors of behavior in regressionsIdentifying the factors predicting engagement in health behaviors has been the focus of considerable research in health psychology A variety of social cognition models purporting to delineate the key determinants of behavior 1 have been applied to health behaviors These prominently include the theory of planned behavior TPB 2 an extension of the theory of reasoned action TRA 3 The TPB is a parsimonious model applied to a wide range of health behaviors for reviews see 4–10 In recent years researchers have sought to develop the TPB by differentiating subcomponents of the model 11 12 Despite including very similar constructs this expanded model Fig 1 has been given a variety of names eg twofactor model 12 We here refer to this model as the reasoned action approach RAA 13 The present paper provides a metaanalytic review of the RAA subcomponents to health behaviors test of health behavior type protection vs risk as a moderator and test of the power of the subcomponents to independently predict intention and behavior

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