Which of the following is always used in differential research?
A) Random assignment of participants to groups
B) The Pearson r or the Spearman r
C) Random selection of participants to ensure a representative sample
D) Groups differentiated on the basis of preexisting variables
Answer: D
You might also like to view...
Which of the following, if true, best supports arguments in favor of comparing campaign contributions to speech rights?
A) Corporations and Super-PACs express themselves through contributions. B) Corporations and Super PACs have extensive influence through their campaign contributions. C) Corporations and Super-PACs do not represent the will of the people. D) Corporations and Super-PACs can contribute more than other interests.
A constitution promotes _________if the general public agrees that the government has the right to govern its citizens
A) order B) authority C) legitimacy D) legality
Conservatism advocates which of the following principles?
A. separation of church and state B. government-provided safety net C. no prayer in public schools D. the importance of civil liberties E. limited role of government in public well-being
How was colonialism different from earlier forms of foreign conquest?
a. Colonizers negotiated fair prices for goods acquired from foreign territories. b. Colonizers never used violence against the inhabitants of colonial territories. c. Colonizers retained political control of the territory after extracting resources. d. Colonization had a humanitarian rather than an economic purpose.