... patients, the rate of both autism itself and milder related symptoms is 50 to 100 times than average. The matching rate for autism in identical twins is 65-90%. According to some studies, many apparently normal parents of ... . This lack of responsiveness may be accompanied by an inability to communicate appropriately, and by a persistent failure to develop two way social relationships. The social problems facing autistic children can be classified into three categories ... social behaviors of autistic individuals. (Rutter, 1978) Researchers have begun to identify factors that make cert...

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