Psychometric Properties of the Persian Version of the Personal Meaning Profile in Iran.

The Personal Meaning Profile (PMP) is a widely used instrument to measure people's perceptions of personal meaning in their lives. This study aimed to evaluate the psychometric properties of the Persian version of the PMP. First, the researchers developed the Persian version of this scale using the forward-backward procedure. Then, they examined the face and content validities by both qualitative and quantitative approaches. To evaluate the construct validity, researchers administered the instrument to a sample of 482 medical sciences students and performed exploratory and confirmatory factor analyses. The reliability was assessed using loading factors, Cronbach's alpha coefficients, and composite reliability. An average scale-level of content validity index of the PMP with 57 items was 0.80. The findings revealed that the Persian version of the PMP comprises five factors explaining 50.57% of the total variance. The confirmatory factor analysis indices showed a moderate fit for the data. Reliability of the Iranian version of PMP was demonstrated with a Cronbach's alpha of 0.893. Consistency was established with test-retest reliability with an interval of 2 weeks (Intracluster Correlation Coefficient = 0.983, p < 0.001). Moreover, the criterion validity demonstrated a significant inverse relationship between the PMP and General Health Questionnaire (r = - 0.34, p < 0.001). This study indicated that the Persian version of the PMP is an acceptable, reliable, and valid measurement to evaluate the meaning in life in Iranian medical sciences students.