The foot soldiers of the political parties are the ________ committees

The concept of regression to the mean is particularly important when

A) doing research involving children. B) selecting research participants on the basis of gender or some other categorical variable. C) selecting research participants on the basis of extreme scores on some measure. D) doing research during daylight savings time.

If you were a poll worker in one of the Rocky Mountain states for the presidential election of 2008, you would likely have seen __________

a. an increase in voter turnout b. a decrease in voter turnout c. about the same number of voters as in the last election d. more older voters than usual