Jack grew up in a poor neighborhood that offered few opportunities for a young child. He has recently been diagnosed as mildly mentally retarded. Which model of abnormality may be the most appropriate to use in understanding this case?

Dr. McGlynn is a psychologist who works for a large automobile maker designing in-dash

displays. Which type of psychologist does Dr. McGlynn best represent? a. Health psychologist b. Organizational psychologist c. Engineering psychologist d. Consumer psychologist e. Forensic psychologist

Three experimenters are independently observing the interactions of two college students

who are participating in a discussion about moral issues. Later, the observations of the experimenters are compared for their consistency. Comparing the observations provides a measure of the a. effectiveness of counterbalancing. b. interrater reliability. c. effectiveness of randomly assigning subjects to groups. d. degree to which the confounding of variables occurred. e. interrater validity.