The study sought to examine developmental processes of substitution in the pretend play of Down's syndrome children and to clarify the onset mechanism of subskills in decontextualization, which refers to the progress from imitation to substitution and then to invention. Eighteen Japanese children, aged 29-55 months, with Down's syndrome were given…

This study examined the functions of structured modeling and mother-child play settings upon the development of pretend actions in young Down Syndrome children. Subjects were 30 pairs of Japanese children, with a developmental age range of 12-35 months, and their mothers. The children were individually administered five phases of premodeling,…

This study, which focused on the social behavior of 4-year-old children toward peers and adults, investigated relationships of 54 children in California and Japan who were observed for 20 minutes while they were playing in preschool or day care. All their behaviors during the first 30 seconds were observed and written down during the second 30…