Many foreign policy and terrorism analysts view U.S. foreign policies in the Middle East as being conducive to terrorism

If a researcher administered a mood scale to two preexisting groups of anxious adults, removed the TV sets from one of the groups for two months, and again administered the mood scale to both groups, the researcher would be employing

A) an ex post facto design. B) a single-group, posttest-only design. C) a single-group, pretest-posttest design. D) a pretest-posttest, natural control-group design.

When an interest group is very narrowly focused it is referred to as a

A) special interest group. B) public interest group. C) single-issue group. D) government interest group. E) small interest group.