Two potentially confounding factors in the interrupted time-series design are
A) maturation and testing effects.
B) regression to the mean and selection.
C) history and instrumentation.
D) maturation and regression to the mean.
Answer: C
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A way to control for extraneous variables is to use
A) higher-constraint research designs. B) lower-constraint research designs. C) naturalistic observation techniques. D) complicated extraneous variance correcting statistical procedures.
What is the most underrepresented group in the united states house of representatives
Which of the following is a disadvantage of surveying the public using traditional telephone polls?
a. Many people do not have landlines. b. Pollsters are no longer exempt from federal do-not-call lists. c. Pollsters are no longer exempt from state do-not-call lists. d. Polling is a form of constitutionally protected speech.
Explain the concept of "agenda setting." How do we know that agenda setting has real effects on the American public? How else do the media affect public opinion and policymaking?
What will be an ideal response?