Threats to internal validity from regression to the mean in randomized, posttest-only, control-group designs are controlled by
A) nonrandom assignment of participants.
B) random assignment of participants to groups.
C) controlling for experimental effect.
D) Both A and C
Answer: B
Political Science
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What is one advantage of social media that is not shared by television or print media?
a. The Internet reaches a wider demographic spectrum. b. Blogs can recycle content from the Associated Press. c. The Internet often catches stories the mass media overlooks. d. It is easier to get people to read an in-depth story when it is presented online.
Political Science
The Bill of Rights consists of the first __________ amendments to the Constitution
A) five B) ten C) twenty-two D) fifteen E) twenty
Political Science