Abstract
An initial sample of 211 developmentally delayed infants (mean age 11 months) were evaluated over four consecutive 3-month intervals by five typical measures of infant development: the Bayley Scales of Infant Development (Bayley, 1969), the Stanford-Binet Intelligence Scale (Terman & Merrill, 1973), the Receptive-Expressive Emergent Language Scale (Bzoch & League, 1970), the Preschool Language Scale (Zimmerman, Steiner, & Evatt, 1969), and the Doster Motor Development Evaluation (Doster, 1977), The developmental indices under study included fine motor, gross motor, cognitive, expressive language, and receptive language. Approximately 4 years later, a subset of the initial sample was reevaluated with similar measures of development. Data are reported that indicate substantial reliabilities, predictive validities, and intercorrelations o fall the measures for the sample under study. The results are discussed in terms of the implications for multidisciplinary evaluation procedures used with high-risk infants...
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