The development of object play was longitudinally examined in 40 children ages 11 to 27 months. The types of object play observed in nondisabled children were observed in children with disabilities at comparable developmental ages. Duration and frequency of active involvement with objects were greater for nondisabled children than for children…

Examined in a longitudinal study of children were correspondences and correlations between early language development on the one hand, and the manipulation of objects and play development on the other. There were developmental correspondences between the onset of five language landmarks (the emergence of first word, referential word, demonstrative…