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Reliability and validity of the BREQ-2 for measuring high school students' motivation for physical education

Forsyth, Stuart and Rowe, David and Mutrie, Nanette (2013) Reliability and validity of the BREQ-2 for measuring high school students' motivation for physical education. In: 5th International Conference on Self-Determination Theory, 2013-06-27 - 2013-06-30, University of Rochester. (Unpublished)

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We investigated reliability and validity of the BREQ-2 for measuring self-determined motivation for physical education. BREQ-2 has not been validated for use in this context. 10th-grade students (N=424) completed an online version of the BREQ-2. Twenty-nine students subsequently completed a paper version. Results indicated strong internal consistency reliability (ICC=.69 to .93; median ICC=.83) and parallel forms reliability (ICC=.66 to .89; median ICC=.83), and mean scores were not significantly different between forms. Students electing to study physical education scored significantly (p<.001) and meaningfully (median effect size=1.00) differently on all subscales and overall scale score, in the theoretically-predicted direction, providing known groups validity evidence. Overall fit of the 5-factor correlated model was good (χ2(142)=350.13; TLI=.95; CFI=.96; RMSEA=.06), and item-factor loadings were generally high (range=.52 - .92; median=.80). The BREQ-2 measures multiple components of motivation, and can be used by physical education researchers and practitioners in paper or online form without method bias.