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'.

Question: It has been proven that amphetamines have reinforcing effects because: 
 Options:  <1> They are GABAergic agonists. <2> They are dopaminergic antagonists. <3> They are serotonergic antagonists. <4> They are dopaminergic agonists. <5> They are serotonergic agonists.
4

Question: Esters can be obtained from carboxylic acids and alcohols, by applying the Fischer esterification reaction in which: 
 Options:  <1> A base is used as a catalyst. <2> A ketone is used as the solvent. <3> A reducing reagent is used. <4> An oxidizing agent is used. <5> Acid catalysis is used.
5

Question: Indicate which of the following options make possible the criterial evaluation tests (or with reference to criteria): 
 Options:  <1> Assess the performance with respect to a normative group. <2> Determine relative performance among other people. <3> Obtaining a normative score. <4> Evaluate the performance with respect to a content area or domain. <5> Assess a skill considering the performance of your reference group.

4