Whenever Alden pulls his own hair (which has caused tissue d…
Whenever Alden pulls his own hair (which has caused tissue damage as severe as open sores on his scalp), his behavior plan calls for his teacher to instruct him to “touch-toes” 10 times before returning to whatever activity he had been doing. This contingent exercise procedure has been generally effective at reducing his hair-pulling. However, one of his teachers, Ms. Roxanne, does not agree with this procedure, and uses it only rarely. Alden’s hair-pulling now occurs at higher rates in Ms. Roxanne’s presence than when he is around other teachers. Therefore, in terms of “hair-pulling” behavior, Ms. Roxanne is most likely functioning as a(n):
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