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The development of a scale measuring integrated regulation in exercise
Author(s) -
McLachlan Sarah,
Spray Christopher,
Hagger Martin S.
Publication year - 2011
Publication title -
british journal of health psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.05
H-Index - 88
eISSN - 2044-8287
pISSN - 1359-107X
DOI - 10.1348/2044-8287.002009
Subject(s) - nomological network , psychology , discriminant validity , scale (ratio) , confirmatory factor analysis , context (archaeology) , predictive validity , sample (material) , psychometrics , psychological intervention , construct validity , test validity , measure (data warehouse) , external validity , applied psychology , clinical psychology , social psychology , structural equation modeling , computer science , data mining , machine learning , paleontology , chemistry , physics , chromatography , quantum mechanics , psychiatry , internal consistency , biology
Objectives. This research aimed to develop and validate a measure of integrated regulation based on self‐determination theory (SDT) in an exercise context. Design. Cross‐sectional and prospective surveys were employed. Methods. The measure was developed from first principles from an initial item pool and items were selected using expert evaluators. The validity of the final item pool was tested across a high‐active sample and a lower active sample ( N = 488) using single‐ and multi‐sample confirmatory factor analyses (CFAs). Results. Analyses supported the factorial, nomological, discriminant, and predictive validity of the scale. Conclusions. The validity of the integrated regulation measure was supported. Present analyses provide evidence that the scale is a valid and reliable tool that may be used to evaluate the effectiveness of autonomy‐supportive interventions in health‐related behavioural contexts.