After an ANOVA you need more analysis to find out which groups differ. When you did not generate specific hypotheses before the experiment use:
A. t-tests
B. Bootstrapping
C. Post hoc tests
D. Planned contrasts
Answer: C
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A center’s policies and procedures manual should contain ___
a. ?a strategic plan for the next three years b. ?a general overview of the children’s guidance and discipline policies c. ?information about the program’s operations, such as the enrollment process, materials acquisition procedures, center’s by-laws, job descriptions, philosophy, and funding d. ?a detailed list of every possible situation that may occur at the center
A researcher wishing to correlate two variables collects data from 50 people. In this analysis, the degrees of freedom is equal to ______.
a. 50 b. 49 c. 48 d. 47
Stereotypes are generalizations that are formed on the basis of few or no facts
Indicate whether the statement is true or false.
In which of the following periods of historical fiction are the themes most alike?
a. The American Revolution and the Civil War b. Early expansion of the United States and Canada and the Western Frontier c. The Civil War and the World War II d. The Salem witch hunts and the early twentieth century