A manipulation check is
A) necessary at the naturalistic level of research.
B) not needed at the experimental level.
C) often too difficult to carry out.
D) appropriate only at the experimental level.
Answer: D
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Which statement about first ladies is correct?
a. Abigail Adams was politically active during her husband's presidency. b. Eleanor Roosevelt limited her role to informal, behind-the-scenes activities. c. Hillary Clinton, although since becoming politically active, played a limited role while her husband was president. d. Michelle Obama has been her husband's confidant but has not become overly involved in policy debates.
Changes in American public opinion __________
a. typically happen more quickly on domestic issues than on foreign policy issues b. are generally limited to attitudes on political equality and the form of government we should have c. are made difficult by a lack of geographic mobility and stagnant technology d. usually occur gradually through generational replacement