The use of within-subjects designs and the use of reliable measuring instruments minimize
A) extraneous variance.
B) error variance.
C) experimental effect.
D) experimental variance.
Answer: B
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The television is on for how many hours on average in U.S. homes every day?
a. 3 b. 4 c. 5 d. 7
One formidable barrier to PAC influence is ______.
A. the express prohibition in the Constitution against PACs contributing money to politicians B. many issues generate conflicts among interests so politicians have access to PAC money no matter what side they take C. the press keeps such a close watch on the financial activity of PACs and politicians and it is very hard to buy real influence D. the complicated reported and filing requirements of the Internal Revenue Service
The presiding officer of the Texas Senate is the
a. Governor. b. Lieutenant Governor. c. Speaker. d. Attorney General. e. Comptroller of Public Accounts.
What provision of the Fourteenth Amendment served as a cornerstone of the Supreme Court's decision in Brown v. Board of Education?
a. the all men are created equal clause-- b. the equal protection clause c. the privileges and immunities clause d. the grandfather clause