Explanation:
Hans Eysenck was a famous psychologist who worked on personality and intelligent. The theory of personality by Eysenck mainly focused on temperaments which according to him were controlled mainly by genetic influences.
In the context, Zander who is being struggling for many days with personal issues decides to consult a mental health doctor. But unfortunately he could not meet the therapist then and have been put in the waiting list. Now he have to wait for many weeks to meet the therapist. In this period, according to the findings of Eysenck, it is more likely that Zander will regain his mental health and will improve his state or condition in these weeks.