One way to be sure that all "groups" in an experiment are equivalent except for their experience with the independent variable(s) is to use the same participants in all experimental conditions
However, this approach carries the danger of confounding in that
a. participants cannot participate in more than one condition.
b. random assignment of participants could not be done.
c. the sequence in which experimental conditions are experienced can affect
performance.
d. with fewer different participants, results will not be statistically significant.
C
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The Great Recession in the United States happened in ______.
a. 2000–2001 b. 2002–2003 c. 2008–2009 d. 2009–2010
In a(n) __________, the central government has all the power and can change its constituent units or tell them what to do
a. confederation b. federal system c. totalitarian d. unitary system
In Griswold v. Connecticut, the Supreme Court ruled that constitutional rights
a. have to be specifically mentioned in the Constitution. b. are found only in the first five amendments to the Constitution. c. do not include the right to privacy. d. are not restricted to rights specifically mentioned in the Constitution.
Which amendment extended suffrage to African American men?
A) Nineteenth B) Thirteenth C) Fifteenth D) Fourteenth E) Sixteenth