Studies show no evidence for the existence or accuracy of gaydar

We need to use caution when drawing conclusions from family and twin studies of schizophrenia, because

a. researchers study only their own families b. individuals with schizophrenia are often taken away from their families c. when people share environments as well as genes, it is difficult to separate the influences of each d. none of these

For both Bandura and Rotter, a person's expectancies become a critical part of his or her ______

a. ideal self c. self-actualizing tendency b. persona d. explanatory style