Betsy is a very introspective child and is able to use deductive reasoning. According to Piaget, she is most likely in which stage?

German psychiatrist emil kraepelin contributed to the study of abnormal psychology by

a. observing hundreds of living patients b. introducing two diagnostic categories c. laying the groundwork for a classification system d. all of the above

Research on the causes of schizophrenia strongly suggests that

A) there is a genetic predisposition to schizophrenia B) almost anybody will develop schizophrenia if exposed to extensive environmental stress. C) schizophrenia patients suffer from a deficiency of the neuro transmitter serotonin D) if adopted childrens adoptive parents have schizophrenia they will too.