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ERIC Number: EJ1032410
Record Type: Journal
Publication Date: 2014
Pages: 15
Abstractor: As Provided
Reference Count: 48
ISBN: N/A
ISSN: ISSN-1091-367X
A Polytomous Item Response Theory Analysis of Social Physique Anxiety Scale
Fletcher, Richard B.; Crocker, Peter
Measurement in Physical Education and Exercise Science, v18 n3 p153-167 2014
The present study investigated the social physique anxiety scale's factor structure and item properties using confirmatory factor analysis and item response theory. An additional aim was to identify differences in response patterns between groups (gender). A large sample of high school students aged 11-15 years (N = 1,529) consisting of n = 562 males and n = 967 females. Confirmatory factor analysis and polytomous item response theory examined the structure of the scale. Items shown to be invariant across were identified using multidimensional differential item functioning methods. Graded response model results showed that item parameters were high with low associated standard errors. Multidimensional differential item functioning results revealed six items are biased in favor of either men (33%) or women (17%). The primary source of differential item functioning related to the item composition, and internal (male) or external (female) frames of reference.
Routledge. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site: http://www.tandf.co.uk/journals
Publication Type: Journal Articles; Reports - Research
Education Level: High Schools; Secondary Education; Grade 9
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A