According to Stevens' (1946) classification, the four scales of measurement are
A) general, interval, modal, and ratio.
B) nominal, ordinal, interval, and ratio.
C) frequency, weight, volume, and ratio.
D) frequency, pitch, tone, and amplitude.
Answer: B
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According to Cook and Campbell (1979), if you have evidence that the naturally-occurring groups in a nonequivalent control-group design are NOT equivalent on potential confounding variables,
A) you should find new naturally-occurring groups that are equivalent. B) you may be able to draw conclusions if you carefully evaluate all potential threats to validity. C) you should continue with the experiment as planned, because the groups only need to be equivalent on the dependent measure. D) you may be able to draw conclusions if you reassign participants to different groups.
Which case showed the Supreme Court invalidating a portion of the Bipartisan Campaign Reform Act of 2002?
a. Marbury v. Madison b. Citizens United v. Federal Election Commission c. McDonald v. City of Chicago d. National Labor Relations Board v. Noel Canning