Question: For what kind of interventions in the problems of child and youth behavior has Patterson's theory of coercion served as a conceptual model? 
 Options:  <1> For the training of parents of children with behavioral disorders. <2> For rehabilitation interventions based on cognitive-behavioral. <3> For interventions carried out in therapeutic communities. <4> For referral programs that try to avoid the stigmatizing effects of labeling. <5> For the economies of tokens carried out in prisons and reformatories.
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