Andy's teachers describe Andy as cold, somewhat defiant, and rigid. One teacher even overheard Andy say that he hates his parents. According to the research on child discipline techniques, Andy's parents are most likely using a harsh version of which discipline approach?

In Cattell's theory, fluid intelligence is a ____ quality of the nervous system and cannot be trained or taught

a. psychologically based b. socially based c. environmentally based d. biologically based

When comparing the startle response of psychopaths and non-psychopaths (both groups were jail inmates), researchers found that psychopaths:

a) Were more easily startled due to hyperarousal. b) Were less frightened by aversive stimuli. c) Were more likely to try to frighten their victims. d) Did not demonstrate any startle response.