The purpose of this study is to compare the effectiveness and efficacy of computer based social stories and video modeling while teaching social skills to children with autism spectrum disorder. The study was conducted with one child with autism spectrum disorder who is 6 years old. The target behavior was starting and carrying on playing skills independently. The research desing of the study is alternating treatment design. The results of the research indicated that video modeling was more effective to increase playing skills indepedently than social stories. Maintanence probes were conducted 3., 5. and 7. weeks after intervention was completed and the maintanence results indicated that the skill was going on. Also social validity data of the study was obtained doing descriptive analysis. The result of the social validity findings showed that the mother found the social stories and video modeling effective.