In a previous study I conducted, the verbal expression "I can't understand, please help me", was shaped in a boy with autism. This expression was regarded as functionally equivalent to his echolalic speech. The results showed that his echolalic speech was nearly eliminated. However, since that time, use of the expression has overgeneralized, and it occurs at a high rate in inappropriate situations. It was thought that this had occurred because of the boy's lack of self-monitoring skills. When asked a question, he should examine whether his knowledge corresponds to its contents, and decide whether or not help is necessary. The present study examined two hypotheses: 1) The boy had the monitoring skills but did not have the opportunity to monitor because the instructor's questions were firmly chained to the boy's requests for help, and 2) the boy did not have the monitoring skills. In Instruction I, the first hypothesis was examined. When the boy said "Please help me", after being asked a question, the instructor said, "Please read this task once again", in order to set up the opportunity for self-monitoring. However, even with this instruction, the boy did not use the request for help functionally. In Instruction II, there were 3 kinds of tasks; easy, difficult, and a mix of easy and difficult. When the boy requested assistance with an easy task, the instructor did not provide it. But the instructor did help with the difficult tasks. The results showed that in this condition, the boy used the request for help functionally. With this procedure, he acquired self-monitoring skills. In addition, functional equivalence of the expression was reconstructed.
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