The appropriate correlation to use when you have nominal data is
A) Phi.
B) The Spearman rank-order correlation.
C) The Pearson product-moment correlation.
D) Any of the above would be appropriate.
Answer: A
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Governments that adopt a free market approach to the economy ________
A. involve themselves extensively in regulating the market B. determine the supply, demand, and prices of products in the market C. favor individual political and economic freedom of choice D. retain ownership of all large companies and businesses in the state that employ millions of people E. impose high taxes on citizens to solve the problem of economic inequality
The main difference between the physical and social sciences is
a. it is more difficult to uncover the process of causation underlying correlation in the social sciences. b. physical science studies make greater contributions to cumulative knowledge building. c. everything can be held constant in the physical sciences and nothing can be held constant in social sciences. d. social sciences create better knowledge for humanity.