The core knowledge perspective emphasizes

Lev Vygotsky's sociocultural theory focuses on

A) how the values, beliefs, customs, and skills of a social group are transmitted to the next generation. B) the child as a developing organism within a complex system of relationships affected by multiple levels of the surrounding environment. C) the child's mind, body, and physical and social worlds, which form an integrated system that guides mastery of new skills. D) the ways in which evolution and heredity influence behavior and development.

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.