Those emphasizing the learning process in their explanation of personality are

Cooing in infancy refers to

A) strings of different speech sounds. B) repeated consonant–vowel combinations. C) vowel-like noises. D) strings of several identical sounds.

The fact that we experience negative afterimages is taken as support for the

a. notion that the retina contains three types of photopigments. b. importance of color mixing in the visual system. c. opponent-process theory of color vision. d. idea that the visual system performs an algebraic summation of lights to generate a color perception. e. trichromatic theory of color vision.