Objective To use the 4-month Ages and Stages Questionnaire-Chinese(ASQ-C)to predict developments of 4 months old infants by 15~25 months.Methods 32 4-month-old infants at high risk of developmental disabilities and another 32 infants of the same age at normal development were singled out by convenience sampling method.The 4-month ASQ-Cs were used on the infants at the age of 3 to 4 months by their parents/caregivers at home.Then the Bayley Scales of Infant and Toddler Development-Third Edition(Bayley-Ⅲ)was ...