TY - JOUR
T1 - Developing an Instrument to Measure Physical Activity Related Self-Worth in Women: Rasch Analysis of the Women's Physical Activity Self-Worth Inventory (WPASWI)
AU - Huberty, Jennifer
AU - Vener, Jamie
AU - Gao, Yong
AU - Matthews, Justin
AU - Ransdell, Lynda
AU - Elavsky, Steriani
PY - 2013/1/1
Y1 - 2013/1/1
N2 - Objectives: The objective of this study is to report on the development of an instrument to assess non-physical aspects of physical activity (PA) -related self-worth (SW).
Methods: Three hundred thirty five women (mean age = 36.69 ± 15.94 yrs, BMI = 24.87 ± 4.56) completed the Women’s Physical Activity Self-Worth Inventory (WPASWI), General SW Scale, and a PA Questionnaire. Rasch analysis was used to evaluate the WPASWI.
Results: Three PA-related SW subscales were identified: PA Knowledge (16 items), PA Emotional (13 items), and PA Social (8 items). Rasch analysis supported construct validity, and items demonstrated acceptable internal consistency (Cronbach’s alpha = .90, .87 and .72) and test re-test reliability (r = .79, .70, .81). Women who reported regular PA participation had higher PA Knowledge, PA Emotional, PA Social, and General SW than those who reported some or no PA (p < .01) and correlations between Knowledge, Emotional, and Social SW subscales and General SW were .207, .130, and .220, respectively. PA Knowledge and PA Emotional SW had stronger correlations with PA (r = .344, .273, respectively) than did General SW (r = .133).
Conclusions: The WPASWI demonstrated good internal consistency, reliability, construct validity and a stronger relationship with PA than a General SW instrument.
AB - Objectives: The objective of this study is to report on the development of an instrument to assess non-physical aspects of physical activity (PA) -related self-worth (SW).
Methods: Three hundred thirty five women (mean age = 36.69 ± 15.94 yrs, BMI = 24.87 ± 4.56) completed the Women’s Physical Activity Self-Worth Inventory (WPASWI), General SW Scale, and a PA Questionnaire. Rasch analysis was used to evaluate the WPASWI.
Results: Three PA-related SW subscales were identified: PA Knowledge (16 items), PA Emotional (13 items), and PA Social (8 items). Rasch analysis supported construct validity, and items demonstrated acceptable internal consistency (Cronbach’s alpha = .90, .87 and .72) and test re-test reliability (r = .79, .70, .81). Women who reported regular PA participation had higher PA Knowledge, PA Emotional, PA Social, and General SW than those who reported some or no PA (p < .01) and correlations between Knowledge, Emotional, and Social SW subscales and General SW were .207, .130, and .220, respectively. PA Knowledge and PA Emotional SW had stronger correlations with PA (r = .344, .273, respectively) than did General SW (r = .133).
Conclusions: The WPASWI demonstrated good internal consistency, reliability, construct validity and a stronger relationship with PA than a General SW instrument.
UR - https://scholarworks.boisestate.edu/kinesiology_facpubs/99
U2 - 10.1016/j.psychsport.2012.07.009
DO - 10.1016/j.psychsport.2012.07.009
M3 - Article
JO - Psychology of Sport and Exercise
JF - Psychology of Sport and Exercise
ER -