Abstract
The aim of this study is to investigate the acquisition of interrogative sentences in autistic children. Subjects were 26 autistic children and 26 non-autistic intellectually disabled children. The total number of types of interrogative sentences acquired was examined in both groups. The results showed the same order of acquisition of interrogative sentences for the autistic children as for the non-autistic intellectually disabled children. The total types of interrogative sentences acquired by subjects at the same level on the National Rehabilitation Center ‹S-S test› was compared for the two groups. The results showed that the autistic group had significantly fewer types of interrogative sentences than the non-autistic group at the same level. These findings suggest a difference between the two groups with respect to the acquisition of interrogative sentences and levels of ‹S-S test›.
