Which of the following is NOT a way of controlling extraneous variance?
A) random assignment of participants
B) building potential confounding variables into the experiment as an additional independent variable
C) eliminating confounding variables by selecting participants who are as homogeneous as possible on that variable
D) ad hoc sampling
Answer: D
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Which U.S. Supreme Court case struck down a Texas law that prevented African Americans from taking part in a Democratic primary?
a. Grovey v. Townsend b. Nixon v. Herndon c. Texas v. United States d. Plessy v. Ferguson
Congress does not mirror the diversity of today's United States
Indicate whether the statement is true or false
The idea that every person should have the chance to realize her or his potential, economically, intellectually, and socially is called the equality of __________
a. opportunity c. rights b. standard d. result
The first eight amendments to the U.S. Constitution:
A) reserve certain rights and powers to people and to U.S. states. B) grant specific rights and liberties to people. C) allow the states to negotiate treaties with foreign countries. D) grant states the power to establish courts to protect the rights of their citizens. E) establish the executive and legislative powers of the President.