a therapist is conducting research to determine effective forms of intervention. what would she focus on to increase the chances of recovery from schizophrenia?

The answer is that "she focused on antipsychotic medications and psychotherapy".
Antipsychotic medications can decrease or ease side effects of psychosis, for example, daydreams (false convictions) and fantasies. Some time ago it was known as real sedatives and neuroleptics, antipsychotic medicines are the principle class of medications used to treat peo​ple with schizophrenia. And Psychotherapy plans to enhance a person's prosperity and psychological wellness, to determine or alleviate troublesome practices, convictions, impulses, musings, or feelings, and to enhance connections and social abilities.

Pilgrims is the answer