In the Senate, who has right of first recognition?

Talk radio has ___________ since the 1980s

A) grown significantly D) stagnated because of the fairness doctrine B) declined significantly E) decreased in popularity C) not really changed

A researcher predicts that tennis professionals will play better in front of an audience. Less capable tennis players, however, are expected to do better without an audience. The researcher

a. is predicting a main effect for the audience variable. b. is predicting a main effect for ability of the tennis player. c. expects an interaction effect to occur. d. is using a mixed design.