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: What characteristics increase the reliability of the psychophysiological evaluation?
Options: <1> The law of initial values. <2> The autonomic balance and homeostasis. <3> The latency and duration of the answers. <4> The control of environmental artifacts and the organism. <5> The reactivity
4