According to the text, caffeine increases activity not only in the brain, but also in a branch of the nervous system serving that innervates the body. This branch is called the _____ nervous system.

A categorical approach assumes that

a. all distinctions among members of different categories are quantitative. b. all distinctions among members of different categories are qualitative. c. the question of "how much" of a characteristic that a person displays can be answered. d. we cannot make "all or none" decisions.

Prepared learning is considered to be on a continuum. At one end, an instinctive

behavior pattern is compatible with the task to be learned. At the other is incompatibility. Lever pressing in pigeons to obtain food is (a) at the compatible end (b) about the middle of the continuum (c) at the incompatible end (d) not on the continuum