Power refers to
a. the chances of rejecting the false null hypothesis.
b. the chances of rejecting a true null hypothesis.
c. the chances of rejecting any null hypothesis.
d. the chances of generalizing your results beyond the sample tested.
A
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The use of within-subjects designs decreases error variance by removing its major contributor,
A) individual differences. B) group differences. C) systematically distributed noise in the design. D) external validity.
Reforming the Electoral College would have what consequence in US politics?
A) It would diminish the importance of swing states. B) It would reduce the influence of money in presidential elections. C) It would democratize the primary elections process. D) It would reduce the number of negative ads in presidential elections.
How were votes allocated in the national legislature under the Articles of Confederation?
What will be an ideal response?
The best predictor of how well schools perform on standardized tests is the
A. community's wealth. B. ratio of private to public schools in the community. C. salary levels of the teachers. D. level of local school board control over policy. E. population density of the community.