Eighty at-risk infants were administered the Mental and Motor Scales of the Bayley Scales of Infant Development at 6 and 12 months of age. Test-retest reliability scores of .71 on the Mental Scale and .69 on the Motor Scale were obtained. (Author/JDD)

A method for empirical classification of autistic and autisticlike children, based on behavior observations of 35 males and 11 females (ages 4-28 years) was examined. Factor and cluster analysis indicated four subtypes, characterized by perseverative thinking and play, motor disturbances, schizotypal/schizoid features, and anxiety and negativism.…

An intensive early intervention program was evaluated by assessing gains made by 44 special needs children (age 2) in cognition, gross motor, fine motor, receptive language, and expressive language domains. Comparison of actual to predicted posttest scores did not reveal significant gains in any domains. In cognition, gross motor, and fine motor…

The purpose of the study was to determine whether particular aspects of movement control influenced the performance of 2-year-old children on a standard developmental test, and thus influenced assessments of intellectual progress based on that test. Six cerebral-palsied (CP) children were compared with six children not suffering motor system…

The National Research Council formed a Committee on Educational Interventions for Children with Autism and charged the committee with integrating the scientific, theoretical, and policy literature and creating a framework for evaluating the scientific evidence concerning the effects and features of educational interventions for young children with…