Abstract
This study aimed to adapt and validate the Posttraumatic Growth Inventory in Chinese shidu parents (PTGI-CS) and to develop its short form (PTGI-CS-SF). A convenience sample of 899 participants across China was included in the analyses. Results of parallel analysis and confirmatory factor analysis suggested that a bifactor model (a general posttraumatic growth factor with three specific factors: philosophy of life, changes in self and relationships with others) of the PTGI-CS had an optimal fit (root mean square error of approximation = .065, comparative fit index = .927, Tucker-Lewis index = .902, standardized root mean squared residual = .054). The 17-item PTGI-CS had satisfactory convergent and discriminant validity, internal consistency (Cronbach’s alpha = .906) and test–retest reliability (r = .776, p < .01). However, omega hierarchical coefficients for three subscales were low (.202 to .391), which indicated that only the total scores of PTGI, and not the subscale scores, should be used. Additionally, a 9-item short form of PTGI-CS has been developed and was shown to be a reliable instrument to assess Chinese shidu parents’ PTG.
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Data Availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
We would like to thank the shidu parents who participated in this study, and the community institutions and public interest organizations who helped us contact the participants.
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The analysis software SPSS 23.0 was bought by the authors’ institution: Beijing Normal University.
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This work was supported by the National Social Science Fund of China under Grant Major Program 16ZDA233.
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XX collected data for the study, drafted the initial manuscript. JW collected data and helped data analyses; reviewed and edited the manuscript. NZ and GS collected data for the study and reviewed the manuscript. JPW was responsible for project management and supervision. NS contributed substantially to the manuscript revision and editing. All co-authors reviewed and approved the final manuscript.
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Xu, X., Wen, J., Zhou, N. et al. Psychometric properties of a revised posttraumatic growth inventory and its short form in Chinese Shidu parents. Curr Psychol 42, 6011–6021 (2023). https://doi.org/10.1007/s12144-021-01717-4
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DOI: https://doi.org/10.1007/s12144-021-01717-4