The power of an interrupted time-series design can be increased by
A) adding one or more comparison groups.
B) studying important legal and regulatory phenomena, such as child car seats.
C) random assignment of participants to groups.
D) asking participants to practice regression to the mean.
Answer: A
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Brazil's concern for the protection of the environment can be seen in all of the following EXCEPT a. a decision by the government to abandon plans to construct a large dam. b. efforts to reduce deforestation
c. signing and ratifying important international environmental treaties. d. agreeing to reduce its carbon-dioxide emissions. e. signing a regional environmental agreement.
The National Clandestine Service(NCS) of the CIA is in charge of operations. Which of the following activities are considered operations?
a. Espionage and covert intervention b. Espionage and political management c. Covert intervention and aerial reconnaissance d. Aerial reconnaissance and political management
If citing multiple studies by different authors how should they be listed?
a. alphabetically b. by year of publication (most recent first) c. by year of publication (most recent last) d. by importance
Which of these following countries could be labeled a "fake democracy"?
a. Brazil b. Germany c. Iran d. Russia