Erxin Scales: Child Developmental Scale of China

This book, drawing from internationally renowned scales like Bayley and Gesell, develops a child developmental assessment scale based on research data from Chinese children. It stands as a meticulous creation of the Capital Institute of Pediatrics, a national-level institution for children’s development research in China. The scale demonstrates good reliability and validity, meeting psychometric standards in various statistical aspects. In the revised scale, developmental quotients are classifie