Document Detail

Why don't you exercise? Development of the Amotivation Toward Exercise Scale among older inactive individuals.
MedLine Citation:
PMID:  18660553     Owner:  NLM     Status:  MEDLINE    
This article reports on the development and initial validation of the Amotivation Toward Exercise Scale (ATES), which reflects a taxonomy of older adults' reasons to refrain from exercise. Drawing on work by Pelletier, Dion, Tuson, and Green-Demers (1999) and Legault, Green-Demers, and Pelletier (2006), these dimensions were the outcome beliefs, capacity beliefs, effort beliefs, and value amotivation beliefs toward exercise. The results supported a 4-factor correlated model that fit the data better than either a unidimensional model or a 4-factor uncorrelated model or a hierarchical model with strong internal reliability for all the subscales. Evidence also emerged for the discriminant validity of the subscale scores. Furthermore, the predictive validity of the subscale scores was supported, and satisfactory measurement invariance was demonstrated across the calibration and validation samples, supporting the generalizability of the scale's measurement properties.
Symeon P Vlachopoulos; Maria A Gigoudi
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  Journal of aging and physical activity     Volume:  16     ISSN:  1063-8652     ISO Abbreviation:  J Aging Phys Act     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-28     Completed Date:  2008-11-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415639     Medline TA:  J Aging Phys Act     Country:  United States    
Other Details:
Languages:  eng     Pagination:  316-41     Citation Subset:  IM    
Dept. of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Serres, Greece.
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MeSH Terms
Aged, 80 and over
Factor Analysis, Statistical
Geriatric Assessment*
Health Knowledge, Attitudes, Practice*
Middle Aged
Questionnaires / standards*
Regression Analysis
Reproducibility of Results

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