Which of the following threats to external validity happens when the subjects learn information based on the pretest?
a) reactive arrangements
b) multiple treatment interference
c) experimenter effects
d) pretest sensitization
d
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One of the most serious problems with nonequivalent control-group designs is that
A) groups may be different at the outset on the dependent measures. B) groups may be different at the outset on the key independent variables. C) difference scores are cumbersome to use in statistical analyses. D) participant recruitment is much more difficult than it is in other types of designs.
A _______ is the fundamental law undergirding the structure of government
A) ?parliament B) ?social contract C) ?constitution D) ?congress E) ?federal system
In 1993, the Supreme Court ruled unanimously that states may impose longer prison terms and stiffer fines on people convicted of "hate crimes" without violating the First Amendment's protection of free speech
Indicate whether the statement is true or false
Those who were supporters of the women's suffrage movement in the late 1860s because they saw it as a way to improve the economic and social situation of women in the United States may have been more likely to join which of the following groups?
A. National Woman Suffrage Association (NWSA) B. American Woman Suffrage Association (AWSA) C. American Equal Rights Association (AERA) D. Women's Christian Temperance Union (WCTU) E. National American Woman Suffrage Association (NAWSA)