In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

[EX Q]: Question: On what model are the intervention programs most successful in the early treatment of childhood autism based? 
 Options:  <1> In the applied analysis of behavior. <2> In the neomediational behaviorism. <3> In the theory of social learning. <4> In Lacanian psychoanalysis. <5> In the theory of attachment.
[EX A]: 1

[EX Q]: Question: It allows to compare proportions of two independent samples the statistical test: 
 Options:  <1> From McNemar. <2> Of Snedecor. <3> Of the median. <4> Exact Fisher. <5> U of Mann-Whitney.
[EX A]: 4

[EX Q]: Question: When two or more major depressive episodes occur, separated by a period of at least two months, during which the individual does not become depressed, what is diagnosed? 
 Options:  <1> Major depressive disorder. <2> Dysthymic disorder. <3> Cyclothymic disorder <4> Major recurrent depressive disorder. <5> Depressive episode
[EX A]:
4