Development and psychometric testing of the psychological capital questionnaire for nurses

• DOI: 10.1186/s12912-024-02633-1
• Publication Date: 2024-12-23T12:05:54Z
• Authors: Jialin Wang; Zhongqing Yuan; Hong He; Man Jin; Li Zeng; Mei Teng; Qianqian Ren
• Keywords: Exploratory factor analysis; Content Validity; Stratified Sampling

Psychological capital (PsyCap) is a positive internal resource for individuals, playing crucial role in mental health. Evaluating nurses' psychological important understanding their well-being, as they face unique occupational stressors. However, existing PsyCap questionnaires are developed various other professions such enterprise employees, teachers, patients, teenagers, and civil servants, making them less suitable the nursing profession. The main aim of this study to develop validate Capital Questionnaire specifically tailored occupation Chinese clinical settings. This multi-stage, cross-sectional conducted between March 2022 May 2023. Preliminary items scale were generated through literature review, theoretical research, Delphi method. final questionnaire was validated two rounds data collection. In first stage, 236 nurses selected using purposive sampling item analysis, exploratory factor analysis (EFA)and reliability testing. second collected from 494 convenience conduct confirmatory (CFA). contains 30 items, with six factors extracted by EFA, accounting 77.59% total variance. showed good model fit, following indices: χ²/df = 4.052, GFI 0.836, CFI 0.938, TLI 0.926, NFI 0.919, RMSEA 0.079, RMR 0.030. measures high, Cronbach's α 0.976, split-half coefficient test-retest 0.941 0.963. Nurses exhibits strong psychometric properties, it valuable tool assessing