Interest groups use ___________ activities to try to create a favorable climate of public opinion in which the group can operate

In correlational studies, it is generally better for participants to

A) Be unaware of the investigator's hypotheses. B) Be assigned to groups based on their knowledge of the experiments. C) Be knowledgeable about the area being studied. D) Have some insight into the researcher's hypotheses.

In the United States, voter turnout for midterm congressional elections has recently been about _______

A) ?the same as for presidential elections B) 20 percent lower than for presidential elections C) ?20 percent higher than for presidential elections D) ?40 percent lower than for presidential elections E) ?40 percent higher than for presidential elections