According to the textbook, a possible cause of schizotypal personality disorder is

a. genetic

The primary concern of developmental scientists is to explore the processes of development ("how"), rather than the reasons behind these processes ("why")

Indicate whether this statement is true or false.

After a person had been diagnosed with a mental illness, he feels embarrassed and ashamed to let others know. When he does confide in some of his friends, some ridicule him and some stop being his friends. This situation best illustrates

a. posttraumatic stress disorder. b. the stigma of mental illness. c. the myth of mental illness. d. the diathesis-stress hypothesis.