There was no coattail effect in the 2008 election

What is the major reason for careful participant selection?

A) It generates clear research hypotheses. B) It reduces statistical errors. C) It improves internal validity. D) It enhances external validity.

Third political parties have all but which one of the following characteristics?

a. Can rarely generate significant financial and organization necessary to sustain itself b. Tend to be led by an individual that is disgruntled by the direction of a major party or no longer welcomed byone c. Appeal to the deep American value of support for the underdog d. Face difficult challenges in gaining access to the ballots due to high signature requirements