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

Political Science

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In China, the Standing Committee makes all important decisions

Indicate whether this statement is true or false.

Political Science

In _____, the Supreme Court reversed a conviction for contempt of Congress in a case where a witness had refused to answer questions put to him by HUAC

a. Watkins v. United States (1957) b. Wilkinson v. United States (1961) c. Barenblatt v. United States (1959) d. Kilbourn v. Thompson (1880)

Political Science