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Psychological needs and exercise behaviour: a comparison of two psychological needs models
Colin M Wierts1, Guy Faulkner1, Ryan E Rhodes2
1School of Kinesiology, University of British Columbia, Vancouver, Canada.
Psychology & Health
|November 10, 2022
Summary
This study found that exercise identity and integrated regulation are key predictors of exercise behavior, even more so than basic psychological needs outlined by Self-Determination Theory. Maintaining an exercise identity is crucial for sustained physical activity.
Area of Science:
- Psychology
- Behavioral Science
- Health Psychology
Background:
- Self-Determination Theory (SDT) extensively explains exercise behavior through psychological need satisfaction.
- Dweck's psychological needs framework includes basic, compound, and superordinate needs like identity and meaning.
Purpose of the Study:
- To investigate if Dweck's psychological needs model explains exercise behavior variance beyond the SDT model.
- To compare the predictive power of Dweck's needs and SDT on exercise behavior.
Main Methods:
- 403 adults completed measures of demographics, psychological needs, and exercise motivation.
- Self-reported moderate-to-vigorous exercise minutes were recorded at baseline and four weeks later.
- Structural equation models were used to analyze Dweck's needs framework and SDT in relation to exercise behavior.
Main Results:
- Exercise identity and integrated regulation emerged as the strongest correlates of prospective exercise behavior.
- Both exercise identity and integrated regulation mediated the relationship between competence and exercise behavior.
- Dweck's needs framework and SDT provided insights into exercise behavior predictors.
Conclusions:
- Exercise identity is a significant factor in exercise behavior.
- Future research should focus on understanding how to foster and maintain an exercise identity for long-term adherence.
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