Abstract
The purpose of this study is to clarify that role of childcare person and children in the development of personal relationships of the ASD child and that change of tripartite interval relations it through one case. We observed the 3years old ASD child and analyzed the main episode in some scenes. As a result, it was shown the intervention that repeat of the pattern and combined an action with a language promote the development of the target child. The early relations of the target child depended on the childcare person, however, as the relations with the childcare person were built and stabilized, the relations with children was increased. From the above, it is thought that the opportunity children associate with ASD child is caused and children learning the relation with the ASD child.
