A difference that is produced only by an expectation of an effect

A) is impossible in experimental designs.
B) is a placebo effect.
C) is routine in experimental designs.
D) cannot be controlled, but it is rarely a significant problem.


Answer: B

Political Science

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As a rule, change in Latin America has followed which pattern?

a. Economic reforms with little or no political reform b. Economic reform preceding political reform c. Economic and political reforms moving forward at the same time d. Political reforms preceding economic reforms e. Political reforms with little or no economic reform

Political Science

A measure of spread around the center of distribution that gives the researcher the score at a specific place within the distribution is called a __________

Fill in the blanks with correct word

Political Science

The novel court case cited in Did Hired Killer Go By the Book? posed the question

a. whether a book publisher can be prosecuted for pornography b. whether the 1st Amendment permits publication of violent manuals c. "Are violent criminals protected by the Miranda decision?" d. "Do state laws regarding murder supersede federal laws?"

Political Science

Which of the following is a “collective good”?

a. Clean air. b. Foreign aid. c. A bilateral alliance. d. All of the above.

Political Science