Twenty-four 12- to 19-month-old children were studied to examine the cognitive basis for the emergence of verbs. Substantial increases in verb comprehension across contexts, abstract cognition, and the ability to engage in symbolic action were observed, suggesting a relationship between underlying cognitive development and increased verb…

Examines, through a longitudinal study, the temporal correspondences of 4 Japanese children, aged 7 to 11, in the attainment of specific milestones in play and language. All children proceeded through the same sequence of stages, but the rate of development was different depending on their environment. (34 references) (GLR)