Which theory of color vision explains that coding one color in a pair, such as red, seems to block the other color, green, from coming through; thus, making it impossible to see a reddish green color?

Measurement of dimensions of a personality which are non-threatening to the client

is the strength of the a) California Personality Inventory b) Sixteen Personality Factors Test c) Edwards Personal Preference Schedule d) Personality Research Form

Jennifer has learned to voluntarily relax by using the tension-release procedure. She now is practicing relaxing to each item on a hierarchy related to a situation she finds frightening. Jennifer is using

a. covert sensitization. b. covert reinforcement. c. self-directed desensitization. d. thought-stopping.