Objective: To research the usability of the purpose-in-life test (PIL) for Chinese university students and evaluate the test’ s reliability and validity. Methods: 1171 University students were measured by PIL, SCL-90 and Index of Well-being, and 140 University students were retested by PIL. Results: PIL had four factors (life feeling, life goal, life attitude and self-control) which were extracted by factor analysis. The split half reliability was 0.786, the Cronbach α-co- efficient of PIL and the four factors were 0.878, 0.860, 0.809, 0.270, 0.406 respectively. The test-retest reliability were 0.837, 0.849, 0.630, 0.314, 0.728. The scores of Index of Well-being, the total scores of SCL-90 and the factor of depression were used as external criterion;the criterion correlation coefficient were 0.769, -0.504, -0.560 respectively. The cor- relations between the criterion and the four factors were significant (r=-0.240~0.787, P<0.001). The correlations between every item and the total score of PIL were significant (r= 0.192~0.748, P<0.001). The correlations between the scores of factors and the total score of PIL were significant (r= 0.415 ~0.933, P<0.001). The students’ score of PIL was 105.74± 15.33. There was no difference in the total score of PIL in gender, only-child and age, but the factor score of life attitude and self-control of male was higher than of female(P<0.001) and the factor score of life-feeling of the only-child was higher than that of the non-only-child (P<0.001). Conclusion: PIL has good reliability and validity in the application of Chi- nese university students.
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