What level of cognitive development must be attained for conventional morality to develop?

Rats placed in "amusement park" environments

a. develop comparably to all other rats. b. show significant development of the medulla. c. develop heavier brains than those not in enriched environments. d. show shrinkage of the visual cortex.

Which theory of emotion states that emotional experiences are completely independent of physiological events?

A) James–Lange B) Cannon–Lange C) Cannon–Bard D) two-factor