Derwin K C Chan1,2,3, Andreas Stenling4,5, Cleoputri Yusainy6, Ziadatul Hikmiah6, Andreas Ivarsson7, Martin S Hagger8,9, Ryan E Rhodes10, Mark R Beauchamp11. 1. Faculty of Education and Human Development, The Education University of Hong Kong, New Territories, Hong Kong. 2. The University of Hong Kong, Hong Kong, China. 3. Curtin University, Perth, Australia. 4. University of Otago, Dunedin, New Zealand. 5. Umeå University, Umea, Sweden. 6. Department of Psychology, Brawijaya University, Malang, Indonesia. 7. School of Health and Welfare, Halmstad University, Halmstad, Sweden. 8. University of California, Merced, CA, USA. 9. Faculty of Sport and Health Sciences, University of Jyväskylä, Finland. 10. Health and Physical Education, University of Victoria, Victoria, BC, Canada. 11. University of British Columbia, Vancouver, BC, Canada.
Abstract
Objective: This study examined the effects of consistency tendency on the predictive power of the theory of planned behavior (TPB) in relation to physical activity behavior. Methods: In this randomized controlled cross-over trial, we recruited 770 undergraduate students from Indonesia who were randomly assigned into two groups. Participants completed physical activity versions of TPB measures at T1 (baseline) and T2 (post 1 week), and the International Physical Activity Questionnaire at T3 (post 1 month). At T1 and T2, the TPB questions were either presented in ensemble-order (i.e., consistency tendency supressed) or alternate-order (i.e., consistency tendency facilitated). Results: The parameter estimates of the model (CFI > .92, TLI > .90, SRMR < .08, RMSEA < .08) aligned with the tenets of TPB. As compared to ensemble-order, a TPB measured in alternate-order yielded stronger cross-sectional relationships, but this pattern did not appear in the prospective relationships in TPB (i.e., intention/perceived behavioral control and behavior).Conclusions: Consistency tendency inflated the factor correlations of cross-sectionally measured TPB variables, but the inflation was not observed in the prospective prediction of behavior. Health psychology questionnaires with items presented in ensemble order may represent a viable means of reducing the confounding effect of consistency tendency.
RCT Entities:
Objective: This study examined the effects of consistency tendency on the predictive power of the theory of planned behavior (TPB) in relation to physical activity behavior. Methods: In this randomized controlled cross-over trial, we recruited 770 undergraduate students from Indonesia who were randomly assigned into two groups. Participants completed physical activity versions of TPB measures at T1 (baseline) and T2 (post 1 week), and the International Physical Activity Questionnaire at T3 (post 1 month). At T1 and T2, the TPB questions were either presented in ensemble-order (i.e., consistency tendency supressed) or alternate-order (i.e., consistency tendency facilitated). Results: The parameter estimates of the model (CFI > .92, TLI > .90, SRMR < .08, RMSEA < .08) aligned with the tenets of TPB. As compared to ensemble-order, a TPB measured in alternate-order yielded stronger cross-sectional relationships, but this pattern did not appear in the prospective relationships in TPB (i.e., intention/perceived behavioral control and behavior).Conclusions: Consistency tendency inflated the factor correlations of cross-sectionally measured TPB variables, but the inflation was not observed in the prospective prediction of behavior. Health psychology questionnaires with items presented in ensemble order may represent a viable means of reducing the confounding effect of consistency tendency.
Entities:
Keywords:
Consistency motif; Socratic effect; common method variance; general response tendency; proximity effect; response bias