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Development and Evaluation of the High-Intensity Interval Training Self-Efficacy Questionnaire
Narelle Eather1, Mark R Beauchamp2, Ryan E Rhodes3
1University of Newcastle.
Journal of Sport & Exercise Psychology
|March 10, 2020
Summary
Researchers developed and validated the High-Intensity Interval Training Self-Efficacy Questionnaire (HIIT-SQ) for adolescents. The HIIT-SQ demonstrates strong reliability and validity for measuring confidence in High-Intensity Interval Training.
Area of Science:
- Exercise Science
- Psychometrics
- Adolescent Health
Background:
- High-Intensity Interval Training (HIIT) is an effective exercise modality.
- Measuring self-efficacy in HIIT is crucial for adherence, especially in adolescents.
- Existing tools may not adequately capture HIIT-specific self-efficacy in this age group.
Purpose of the Study:
- To design and evaluate the High-Intensity Interval Training Self-Efficacy Questionnaire (HIIT-SQ).
- To establish the factorial validity and test-retest reliability of the HIIT-SQ in adolescents.
Main Methods:
- Item development for the HIIT-SQ.
- Factorial validity assessed using confirmatory factor analysis in 389 Australian adolescents.
- Test-retest reliability evaluated in 100 adolescents over a 1-week interval.
Main Results:
- Confirmatory factor analysis indicated adequate model fit for the six-item HIIT-SQ.
- All items demonstrated high factor loadings (0.81-0.90).
- Excellent test-retest reliability was confirmed (Intraclass Coefficient = 0.99).
Conclusions:
- The HIIT-SQ is a valid and reliable measure of self-efficacy for High-Intensity Interval Training in adolescents.
- This questionnaire can be a valuable tool for researchers and practitioners working with adolescent populations and HIIT.
- Further research should explore its utility across diverse adolescent groups and settings.
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