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Kopp, Claire B.; And Others – Developmental Psychology, 1974
An adaptation of the "Stages of Sensorimotor Intelligence in the Child" was used in a longitudinal study of the sensorimotor behavior acquisitions of 24 healthy middle-class infants. Rate of behavior acquisition, variability in behavior performance and relationships between subtests were analyzed. Some comparisons with previous studies are…
Descriptors: Behavior Rating Scales, Child Development, Comparative Analysis, Infants