IRB uses the term "minimal risk" which means
a. any physical, psychological, or economic harm
b. harm no greater than expected in daily life
c. having blood drawn during the study
d. no physical, psychological, or economic harm
B
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What is the difference between a simple pretest-posttest design and an interrupted time-series design?
A) The time-series design uses multiple measures taken at several points in time both before and after the manipulation. B) The simple pretest-posttest design uses a single measure at pretreatment and post-treatment. C) The time-series uses a series of measures that are "interrupted" by the manipulation. D) All of the above
Some studies are finding race-based discrimination as to where polluting facilities are located
a. True b. False Indicate whether the statement is true or false
Vladimir Lenin's belief, which imperialism ultimately leads to war, was apparently vindicated by the beginning of what major conflict?
a. World War I b. the Cold War c. World War II d. the RussoJapanese War of 1904–1905
Lázaro Cárdenas was much beloved by some, and severely criticized by others, for
a. attacking the Americans at the Alamo. b. nationalizing industries and creating the state oil corporation, Pemex. c. leading the opposition to President Huerta in the Mexican Revolution. d. signing the North American Free Trade Agreement.