Tom volunteers to teach children how to play basketball. he finds that when he first tries to teach a skill, such as shooting the ball, he sometimes has to physically guide the children's feet in the correct position. generally, the more he works with the children and the more knowledge they acquire, the less support he has to provide. this is an example of:

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?

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.

True or false? correlations can only be negative.