Title: Longitudinal invariance analysis of the satisfaction with life scale
Authors: Wu, Chia-Huei
Chen, Lung Hung
Tsai, Ying-Mei
經營管理研究所
Institute of Business and Management
Keywords: Satisfaction with life scale;Measurement invariance;Longitudinal analysis
Issue Date: 1-Mar-2009
Abstract: This research examined longitudinal measurement invariance in the satisfaction with life scale using two studies. The first followed a sample of 236 university students (93 mate and 143 female) who completed the SWLS twice over a two-month interval. The second used a sample of 242 adolescent athletes (133 male and 109 female) who completed the SWLS three times over a period of six months. Confirmatory factor analysis was used to examine longitudinal measurement invariance. For the university student sample, results showed that the SWLS is partial strict invariant (equality of factor patterns, loadings and intercepts across time for all items and equality of item uniqueness for items 1, 2, 4 and 5 across time). For the adolescent athlete student sample, the SWLS is partial strong invariant (equality of factor patterns, loadings across time for all items and equality of intercepts for Items 2, 3, and 4 across time). For both samples, stability coefficients across time were moderately high and latent factor means were not significantly different across time. Generally, these results suggest that the SWLS has satisfactory psychometric properties for longitudinal measurement invariance. (C) 2008 Published by Elsevier Ltd.
URI: http://dx.doi.org/10.1016/j.paid.2008.11.002
http://hdl.handle.net/11536/14185
ISSN: 0191-8869
DOI: 10.1016/j.paid.2008.11.002
Journal: PERSONALITY AND INDIVIDUAL DIFFERENCES
Volume: 46
Issue: 4
Begin Page: 396
End Page: 401
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