Measurement Invariance of Personal Well-Being Index (PWI-8) Across 26 Countries

This report examines the measurement invariance of the Personal Well-being Index with 8 items (PWI-8). University students (N = 5731) from 26 countries completed the measure either through paper and pencil or electronic mode. We examined uni-dimensional structure of PWI and performed a Multi-group C...

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Bibliographic Details
Published in:Journal of happiness studies 2017-12, Vol.18 (6), p.1697-1711
Main Authors: Żemojtel-Piotrowska, Magdalena, Piotrowski, Jarosław P., Cieciuch, Jan, Adams, Byron G., Osin, Evgeny N., Ardi, Rahkman, Bălţătescu, Sergiu, Bhomi, Arbinda Lal, Clinton, Amanda, de Clunie, Gisela T., Esteves, Carla, Gouveia, Valdiney, Hosseini, Ashraf, Ghaheh, Hooria Seyedhosseini, Khachatryan, Narine, Kamble, Shanmukh Vasant, Kawula, Anna, Liik, Kadi, Letovancova, Eva, Malo Cerrato, Sara, Mora, Carles Alsinet, Nartova-Bochaver, Sofya, Nikolic, Marija, Park, Joonha, Paspalanova, Elena, Pék, Győző, Różycka-Tran, Joanna, Truong Thi Khanh, Ha, Tsubakita, Takashi, Vauclair, Christin-Melanie, Włodarczyk, Anna, Maltby, John
Format: Article
Language:English
Subjects:
College students
Cross cultural studies
Cultural studies
Economics
Happiness
Life satisfaction
Personality and Social Psychology
Philosophy
Positive Psychology
Quality of Life Research
Research Paper
Social Sciences
Well being
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Summary:This report examines the measurement invariance of the Personal Well-being Index with 8 items (PWI-8). University students (N = 5731) from 26 countries completed the measure either through paper and pencil or electronic mode. We examined uni-dimensional structure of PWI and performed a Multi-group CFA to assess the measurement invariance across the 26 countries, using conventional approach and the alignment procedure. The findings provide evidence of configural and partial metric invariance, as well as partial scalar invariance across samples. The findings suggest that PWI-8 can be used to examine correlates of life satisfaction across all included countries, however it is impossible to compare raw scores across countries.
ISSN:1389-4978
1573-7780
DOI:10.1007/s10902-016-9795-0