When we calculate reliability, we know the observed score. What are the two unknown components of the reliability equation?
a) method and error scores
b) means and standard deviations
c) test-retest and inter-rater scores
d) true and error scores
Ans: d) true and error scores
Political Science
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The U.S. military strategy of having a three-pronged nuclear capability from land, sea, and air is known as ______.
a. mutual mass destruction b. the Eisenhower Doctrine c. Operation Tripod d. the Manhattan Project e. the nuclear triad
Political Science
One of the chief weaknesses of an ex post facto procedure is that
A) it is only valid in research on children. B) no dependent variable can be manipulated. C) the researcher is unable to eliminate rival hypotheses. D) there are no confounding variables.
Political Science