Universal autism screening is recommended by the American Academy of Pediatrics at 18 and 24 months. However, many children are not identified until after the age of 4 years, and some not until adulthood, either due to mild or no indication of symptoms early in development, or to co-occurring conditions which may overshadow autism symptoms. This…

This paper presents a study of the relationship between scores on the Bayley measures of mental and motor development administered at 8 months of age and performance on measures of cognitive development and school achievement administered at ages 4, 5, 6, and 7. Also studied are changes in this relationship which occur when children with extreme…

Two studies examined possible effects of four modes of infant care on child behavior exhibited later. Modes included care at home by the mother, at home by a relative or sitter, at a sitter's home, and in a group care center. First, a longitudinal study assessed children at 2 years of age on a wide array of personality and cognitive measures. A…

In four parts, this discussion describes characteristics of the thought of infants, preschool children, primary school students, and adolescents. Topics briefly addressed in part I, on the thought processes/capabilities of babies, concern sensorimotor thought without abstraction, the importance of physical exploration, the development of…

In a follow-up study of the effects of early day care on children's cognitive and socioemotional competence, children who entered day care before the age of 1 year were found to have a better academic performance at ages 8 and 13 and to receive more positive teacher ratings than other children on several socioemotional variables. (Author/GLR)