Mrs. Hayley has come to terms with life despite its imperfections. She has become increasingly generous and good-natured. Mrs. Hayley shows gains in

Anything that increases the likelihood that a behavior will occur more frequently is called a(n) __________

a. aversive control b. punishment c. antecedent d. reinforcer

Studies have shown that messages communicated by a reference group result in

a. more content-focused processing b. greater attitude change c. greater desire for similarity d. all of the above