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Measurement Invariance of Personal Well-being Index (PWI-8) across 26 Countries

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posted on 2017-11-27, 15:40 authored by Magdalena Żemojtel-Piotrowska, Jarosław P. Piotrowski, Evgeny N. Osin, Jan Cieciuch, Byron G. Adams, Rahkman Ardi, Sergiu Baltatescu, Arbinda Lal Bhomi, Sergey A. Bogomaz, Amanda Clinton, Gisela T. de Clunie, Carla Esteves, Valdiney Gouveia, Murnizam H. J. Halik, Ashraf Hosseini, Dzintra Ilisko, Narine Kachatryan, Shanmukh Vasant Kamble, Anna Kawula, Vivian Lun, Martina Klicperova-Baker, Kadi Liik, Eva Letovancova, Sara Malo Cerrato, Natalia Malysheva, Jaroslaw Michalowski, Marija Nikolic, Joonha Park, Elena Paspalanova, Pablo Perez de Leon, Győző Pék, Joanna Różycka-Tran, Adil Samekin, Wahab Shabhaz, Truong Thi Khanh Ha, Habib Tiliouine, Alain Van Hiel, Melanie Vauclair, Eduardo Wills, Anna Włodarczyk, Ilya Yagiyaev, John Maltby
The Mental Health Continuum – Short Form is a brief scale measuring positive human functioning. The study aimed to examine the factor structure and to explore the crosscultural utility of the MHC-SF using bifactor models and exploratory structural equation modelling (ESEM). Method: Using multigroup confirmatory analysis (MGCFA) we examined the measurement invariance of the MHC-SF in 38 countries (university students, N = 8,066; 61.73% women, mean age 21.55 years). Results: MGCFA supported the cross-cultural replicability of a bifactor structure and a metric level of invariance between student samples. The average proportion of variance explained by the general factor was high (ECV = .66), suggesting that the three aspects of mental health (emotional, social, and psychological well-being) can be treated as a single dimension of well-being. Conclusion: The metric level of invariance offers the possibility of comparing correlates and predictors of positive mental functioning across countries; however, the comparison of the levels of mental health across countries is not possible due to lack of scalar invariance. Our study has preliminary character and could serve as an initial assessment of the structure of the MHC-SF across different cultural settings. Further studies on general populations are required for extending our findings.


The work of Jarosław P. Piotrowski was supported by research grant rewarded by University of Social Sciences and Humanities, Poznan Faculty. The work of Jan Cieciuch was supported by grants 2014/14/M/HS6/00919 from the National Science Centre, Poland



Journal of Clinical Psychology, 2017,18: 1697

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/Organisation/COLLEGE OF LIFE SCIENCES/MBSP Non-Medical Departments/Neuroscience, Psychology and Behaviour


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