In mr. medeiros classroom, students are given play money each time they turn in an assignment; they receive additional amounts of money if the assignment is turned in on time and if it is done correctly. at the end of each week, students can use their play money to purchase special privileges (free time, special privileges, mr. medeiros approach can best be characterized as: a. intermittent reinforcement. b. a group contingency. c. a token economy. d. a contingency contract.

Voters commonly condemn politicians for being insincere, but politicians often must disguise their true feelings when they make public statements. if they expressed their honest views—about, say, their party's policies—then achieving politically necessary compromises would be much more difficult. clearly, the very insincerity that people decry shows that our government is functioning well. which of the following, if true, most seriously undermines this reasoning? (a) achieving political compromises is not all that is necessary for the proper functioning of a government. (b) some political compromises are not in the best long-term interest of the government. (c) voters often judge politicians by criteria other than the sincerity with which they express their views. (d) a political party's policies could turn out to be detrimental to the functioning of a government. (e) some of the public statements made by politicians about their party's policies could in fact be sincere.