designing the preverbal skills training program and studying its effectiveness on high- functional autistic children's communication skills

communication impairment and interaction problems are obvious characteristics of children with autism disorder. this research aimed to design the preverbal skills training program, and study its effectiveness on high- functional autistic children's communication skills. this research is an experimental research in which students with higher scores in autism high functional scale were selected by available sampling method among all the students with autism disorders in tehran autism schools and centers in 1394-95. among high- functional autistic children, 16 boys; 8 in experimental and 8 in control grope were selected as statistic sample. preverbal skills training program were taught in 20 sessions in tehran april2 autism center. teaching of language developing (told) test was used for the assessment of communication skills. the validity of this scale confirmed by specialists and its reliability was reported in 0/74 to 0/96. data were analyzed by advanced statistical methods such as repeated measures and mancova. the results showed that all hypothesis of this research significantly were accepted and preverbal skills training program, led to modify and increas the communication skills of hfa children in experimental groupe.