The movement of 1.6 million African Americans from the rural South to northern cities between 1916 and 1930 is a historic American example of
A. emigration.
B. immigration.
C. diaspora.
D. migration.
Answer: D
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Which of the following responsibilities was given to the central government of the United States during the formation of the new Constitution post independence?
a. raising an army b. regulating banks c. providing healthcare facilities to its citizens d. overseeing the allocation of resources
Which of the following states recognizes common-law marriages?
A) Arizona B) California C) Illinois D) Texas
An individual determines whether or not he or she is healthy based on
A. body temperature. B. objective and agreed-upon criteria established by the medical community. C. criteria established by themselves; their relatives, friends, and coworkers; and medical practitioners. D. criteria established by the World Health Organization.
What is a correct argument for using a two-tailed test, even if there is a clear basis for predicting a result in a specific direction?
A) If the null hypothesis is in fact true, a failure to reject it will give stronger evidence in support of it. B) One-tailed tests cannot be used in almost any real study involving two groups. C) If the result is opposite of what is predicted, it does not have to be ignored. D) A two-tailed test gives one a better chance of obtaining a significant result.