Primary assessment of reliability and validity of the Chinese version of prodromal questionnaire-brief version

Objective To assess the reliability and validity of the Chinese version of Prodromal Questionnaire-Brief Version (PQ-B). Methods By convenience sampling, 122 college students and clinical psychology outpatients were assessed by PQ-B and Symptom Checklist 90 (SCL-90). Eighty among them were retested with the PQ-B after 2 weeks to test test-retest reliability.Correlation analysis, exploratory factor analysis were used for data processing. Results The internal consistency reliability of the Chinese version of PQ-B was 0.894, the correlation coefficient between each item and total score were higher than 0.347(all P 0.01). Conclusion The Chinese version of PQ-B suggested primarily good reliability and validity. Key words: Prodromal questionnaire; Reliability; Validity