One technique of the fast-growing scientific discipline of __________ is to insert nucleotides that prevent the expression of a gene.

Whitney searched for the last pair of rhinestone earrings at the store. Turning to her friend she said, "If I don't go ahead and get these, I won't have them for the wedding." This is an example of the principle of _________

a. liking b. scarcity c. reciprocity d. similarity

Which of these describes a disorder that could be called "psychophysiological?"

a) a disorder caused by brain tumors b) a disorder that is symbolically related to physiological events c) a disorder that is untreatable with traditional medical techniques d) a disorder that is closely related to psychologically meaningful events