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

Political Science

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The Supreme Court case that held that apportionment of both houses of state legislatures has to be based closely on population and the principle of "equal representation for equal numbers of people" was

A) Baker v. Carr. B) Reynolds v. Sims. C) McCulloch v. Maryland. D) Marbury v. Madison. E) Stone v. Weaver.

Political Science

Which of the following has the greatest parity in the House of Representatives compared to their overall numbers in the population as a whole?

What will be an ideal response?

Political Science