The Behavioral Regulation in Exercise Questionnaire (BREQ-3) Portuguese-Version: Evidence of Reliability, Validity and Invariance Across Gender

This study has as prime objective to analyze the psychometric properties of the Behavioral Regulation Exercise Questionnaire (BREQ-3) in a sample of Portuguese exercisers and invariance across gender. Two independent samples (448 calibration; 374 validation), aged between 16 and 78 years ( = 40.29;...

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Published inFrontiers in psychology Vol. 9; p. 1940
Main Authors Cid, Luis, Monteiro, Diogo, Teixeira, Diogo, Teques, Pedro, Alves, Susana, Moutão, João, Silva, Marlene, Palmeira, António
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 11.10.2018
Subjects
exercise
motivation
multi-group analysis
Psychology
self-determination
self-regulation
multi-group analysis
exercise
self-regulation
self-determination
motivation
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Summary:This study has as prime objective to analyze the psychometric properties of the Behavioral Regulation Exercise Questionnaire (BREQ-3) in a sample of Portuguese exercisers and invariance across gender. Two independent samples (448 calibration; 374 validation), aged between 16 and 78 years ( = 40.29; = 16.24), of both gender, (495 female; 327 male) were enrolled in this study. The results show that the original model (six factors; 24 items) did not fit to the data in a satisfactory way (χ = 977.49; df = 237; B-S < 0.001; SRMR = 0.07; NNFI = 0.80; CFI = 0.83; RMSEA = 0.08; 90% CI = 0.08-0.09). After removing six items (one for each factor), the model (six factors; 18 items) adjustment improved in a satisfactory way in both samples: calibration (χ = 331.86; df = 120; B-S < 0.001; SRMR = 0.06; NNFI = 0.91; CFI = 0.93; RMSEA = 0.06; 90% CI 0.06-0.07) and validation (χ = 254.08; df = 120; B-S < 0.001; SRMR = 0.04; NNFI = 0.93; CFI = 0.95; RMSEA = 0.06; 90% CI = 0.05-0.06). Results also showed model invariance across gender (ΔCFI ≤ 0.01). The Portuguese version of BREQ-3 (six factors; 18 items) is a valid and reliable measurement instrument to measure behavior regulation underlying self-determination theory in the exercise domain. However, the evidence also indicated that additional studies are needed to address the fragilities of the original model (six factors; 24 items).
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This article was submitted to Movement Science and Sport Psychology, a section of the journal Frontiers in Psychology
Reviewed by: Aldair J. Oliveira, Universidade Federal Rural do Rio de Janeiro, Brazil; Antonio Hernández-Mendo, Universidad de Málaga, Spain
Edited by: Duarte Araújo, Universidade de Lisboa, Portugal
ISSN:1664-1078
1664-1078
DOI:10.3389/fpsyg.2018.01940