Reliability and validity of the Chinese version of the psycho-educational profile (third edition) performance test

Abstract

The Psycho-Educational Profile-3rd edition (PEP-3) is a popular instrument that assesses the skills and behaviors of children with autism and communicative disabilities, while its application in Chinese population has not been systematically examined. Based on the data collected from a clinical sample of children (N= 455) diagnosed as having autism spectrum disorder (ASD) and other pervasive developmental disorders (PPDs) as well as a sample of healthy controls (N = 281) in Hong Kong, this study examined the psychometric properties of the Performance Test of the Chinese version of the PEP-3 (CPEP-3). Different types of evidence on the reliability (internal consistency, test-retest reliability and inter-rater reliability) and validity (content validity and criterion-related validity) of the test were examined. It was found that the Performance Test of CPEP-3 possessed sound psychometric properties in assessing the developmental level of Chinese children with autism spectrum disorder in Hong Kong. The translated CPEP-3 Performance Test is a reliable and valid measure for assessing Chinese children with autism.