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The development of a scale measuring integrated regulation in exercise
Sarah McLachlan1, Christopher Spray, Martin S Hagger
1School of Psychology, University of Nottingham, University Park, Nottingham NG7 2RD, UK. sarahmc91@hotmail.com
British Journal of Health Psychology
|January 5, 2011
Summary
This study developed and validated a new scale for integrated regulation in exercise, based on self-determination theory (SDT). The validated measure reliably assesses exercise motivation and supports autonomy-supportive interventions.
Area of Science:
- Behavioral Science
- Psychology
- Health Behavior
Background:
- Self-determination theory (SDT) provides a framework for understanding motivation.
- Integrated regulation is a key concept within SDT, representing internalization of behavioral control.
- Valid measures are needed to assess integrated regulation in health behaviors like exercise.
Purpose of the Study:
- To develop and validate a measure of integrated regulation within the exercise domain.
- To ensure the measure aligns with the principles of self-determination theory (SDT).
- To provide a reliable tool for evaluating interventions promoting autonomous motivation in exercise.
Main Methods:
- Development of an item pool from first principles.
- Expert evaluation for item selection.
- Confirmatory factor analyses (CFAs) on cross-sectional and prospective survey data from 488 participants (high- and low-active samples).
Main Results:
- Factorial validity confirmed through CFAs.
- Nomological, discriminant, and predictive validity of the scale were supported.
- The scale demonstrated reliability and validity in assessing integrated regulation.
Conclusions:
- The developed measure of integrated regulation is valid and reliable for use in exercise contexts.
- This scale can effectively evaluate the impact of autonomy-supportive interventions on health behaviors.
- Findings support the application of SDT in understanding and promoting exercise adherence.
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