The two most important techniques for eliminating potential rival hypotheses are
a. random assignment of participants and use of control groups.
b. random assignment of participants and use of pretests.
c. use of pretests and control groups.
d. random selection of participants and random assignment of participants.
A
Political Science
You might also like to view...
Assume that scores on an independent variable are distorted so that they no longer accurately reflect reality. This is called
A) reality error. B) distortion error. C) measurement error. D) All of the above.
Political Science
The Tobacco Institute maintains a low profile by __________ rather than operating in ways that are obvious to the public
a. quietly bribing politicians b. working through minor political parties c. funding research that supports its agenda d. supporting feel-good initiatives in the community
Political Science