Which of the following refers to the tendency for new memories to impair the retrieval of older memories as well as the tendency for older memories to impair one's retrieval of new memories?

A telephone solicitor asks you for a donation of $1 for a charitable enterprise. When you agree to give $1, he asks you to become a volunteer to raise money for the charity. It sounds as though the solicitor is familiar with the sales strategy known as

a. the door-in-the-face technique. b. the foot-in-the-door technique. c. scarcity. d. modeling.

Toddlers choose playmates largely based on

A) goodness of fit. B) convenience. C) similar interests. D) similar personalities.