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Reconsidering the experience machine: Self-reported versus objective measures of physical activity to increase
Derrick C McLean1, Jeanne Nakamura1, Mihaly Csikszentmihalyi1
1Claremont Graduate University, USA.
Journal of Health Psychology
|September 25, 2018
Summary
Self-reported physical activity significantly predicts positive affect, explaining 63% of the link between objective physical activity and mood. This highlights the value of perceived physical activity in understanding well-being.
Area of Science:
- Psychology
- Behavioral Science
- Health & Fitness
Background:
- Physical activity is linked to improved mental well-being.
- Understanding how people perceive their activity levels is crucial for mental health research.
Purpose of the Study:
- To assess if self-reported and objective physical activity predict positive affect.
- To determine the mediating role of self-reported activity in the objective activity-affect relationship.
Main Methods:
- Participants used Fitbit trackers for objective physical activity data.
- Experience sampling method (ESM) captured momentary affect and self-reported physical activity.
- Within-person mediation analysis examined the relationships.
Main Results:
- Self-reported physical activity mediated 63% of the association between objective physical activity and positive affect.
- Both objective and self-reported physical activity were associated with increased positive affect.
Conclusions:
- Perceived physical activity is a strong predictor of positive affect in daily life.
- Self-report measures of physical activity are valuable in naturalistic settings.
- Findings support the benefits of physical activity for mood regulation.
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