Professionals and 16 mothers of disabled infants/toddlers completed the Evaluation and Programing System-I and the Parent Form Level I, respectively. Results indicated moderate to high correlations between professionals' assessments and mothers' assessments, though mothers tended to rate children higher. (Author/JDD)

Rasch calibration procedures were applied to item-response data for the 1,262 infants and toddlers comprising the standardization sample for the Mental Scale of the Bayley Scales of Infant Development. Analyses tend to confirm the psychometric integrity of the instrument. (Author)

Describes the Communication and Symbolic Behavior Scales, a standardized assessment for infants, toddlers and preschool children. It is designed to identify children at risk of developing a communication impairment and to establish a profile of functioning in the areas of communicative, social-affective, and symbolic abilities. (CR)

This article describes the revised Transdisciplinary Play Based Assessment, a dynamic assessment for children functioning developmentally between infancy and six years that involves the child in play situations, which provide opportunities to assess cognitive, social-emotional, communication and language, and sensorimotor development. Its…