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Ridley, Stanley E.; Bayton, James A. – Journal of Consulting and Clinical Psychology, 1983
Examined and compared the validity of Friedman's Developmental Level (DL) and Exner's Developmental Quality (DQ) as measures of cognitive development in children (N=134). Results supported the convergent and discriminant validity of both DL and DQ. The DL and DQ were most strongly related to different types of cognitive ability. (JAC)
Descriptors: Children, Cognitive Ability, Cognitive Development, Cognitive Measurement
Sexton, David; And Others – Journal of the Division for Early Childhood, 1988
When administered to 34 infants with handicaps, Bayley Scale mental age scores were an average of 2.1 months higher than Estimated Developmental Ages (EDA's) calculated from the Uzgiris and Hunt Scales. The EDA's were significantly and positively related to Bayley mental age, and sensorimotor play emerged as the best single correlate. (Author/JDD)
Descriptors: Child Development, Cognitive Development, Cognitive Measurement, Cognitive Tests