Standardization of the Denver Developmental Screening Test (DDST) on 288 babies raning in age from two to 54 weeks in Yucatan, Mexico, yielded such findings as that subtest scores increased with age, and that the DDST failed to identify a "questionable" 16 or 17 babies with borderline scores on the Bayley Motor Scale. (Author/MC)

To help physicians select appropriate screening tests for early childhood identification of developmental disabilities, 19 screening tests were administered by a pediatrician and rated by a panel of pediatricians and a special educator. Five of the tests were identified that approached standards for educational and psychological tests. (TJH)