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The psychometric properties of the difficult behavior self-efficacy scale
Hyun-Kyoung Oh1, Francis M Kozub
1Department of Kinesiology, California State University, San Bernardino, CA, USA.
Adapted Physical Activity Quarterly : APAQ
|June 24, 2010
Summary
This study validated the Difficult Behavior Self-efficacy Scale in Korean and U.S. physical educators. The scale demonstrated good psychometric properties, supporting its use across diverse teacher groups.
Area of Science:
- Educational Psychology
- Psychometrics
- Physical Education
Background:
- Self-efficacy is crucial for educators managing challenging behaviors.
- Existing measures require validation across different cultural contexts.
- The Difficult Behavior Self-efficacy Scale (Hastings & Brown, 2002a) needed psychometric evaluation for international use.
Purpose of the Study:
- To estimate the psychometric properties of the Difficult Behavior Self-efficacy Scale.
- To assess the scale's validity and reliability among physical educators in Korea and the U.S.
- To determine the factor structure and cross-cultural invariance of the scale.
Main Methods:
- Confirmatory factor analysis (CFA) was used to evaluate the scale's structure.
- Internal consistency was assessed using weighted Omega.
- Invariance testing examined metric and scalar equivalence across Korean and U.S. samples.
Main Results:
- The five-item, unidimensional model showed good fit indices (GFI=0.97, NNFI=0.95, CFI=0.98, SRMR=0.03).
- Internal consistency (weighted Omega) was high (0.88) in both samples.
- Metric invariance was supported, but scalar invariance was not, indicating potential mean differences between groups.
Conclusions:
- The Difficult Behavior Self-efficacy Scale exhibits adequate psychometric properties for use with physical educators.
- The scale's factor structure is supported across Korean and U.S. samples.
- Further research should explore the observed scalar invariance and its implications.
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