Q: 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: Following the classification of Pervin (1979) and Campbell (1953-1957) on the methods of collecting information, point out one of the techniques representative of the psychometric methodology: 
 Options:  <1> The Wechsler Intelligence Scale. <2> Incomplete sentences, by Kelly and Fisher. <3> Thematic Appreciation Test, by Murray. <4> Test of Personal Construct, by Kelly (1955). <5> The autorregistros.
A:
1