Sample Heterogeneity and the Measurement Structure of the Multidimensional Students’ Life Satisfaction Scale |
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| Authors: | Richard Sawatzky Pamela A Ratner Joy L Johnson Jacek A Kopec Bruno D Zumbo |
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| Institution: | (1) Department of Nursing, Trinity Western University, 7600 Glover Road, Langley, BC, V2Y 1Y1, Canada;(2) School of Nursing, University of British Columbia, Vancouver, BC, Canada;(3) School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada;(4) ECPS, Measurement, Evaluation & Research Methodology, University of British Columbia, Vancouver, BC, Canada |
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| Abstract: | Several measurement assumptions were examined with the goal of assessing the validity of the Multidimensional Students’ Life
Satisfaction Scale (MSLSS), a measure of adolescents’ satisfaction with their family, friends, living environment, school,
self, and general quality of life. The data were obtained via a cross-sectional survey of 8,225 adolescents in British Columbia,
Canada. Confirmatory factor and factor mixture analyses of ordinal data were used to examine the measurement assumptions.
The adolescents did not respond to all the MSLSS items in a psychometrically equivalent manner. A correlated five-factor model
for an abridged version of the MSLSS resulted in good fit when all negatively worded items and several positively worded items
(the least invariant) were excluded. The abridged 18-item version of the MSLSS provides a promising alternative for the measurement
of five life domains that are pertinent to adolescents’ quality of life. |
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