In an analysis of variance, if the within-group variance estimate is about the same as the between-group variance estimate, then
A) the null hypothesis should be rejected.
B) any difference between sample means is probably due to random sampling.
C) an error in the figuring was made, because a within-group variance estimate must always be smaller than the between-group variance estimate.
D) any difference between sample means is probably due to a real difference caused by the experimental conditions.
Answer: B
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A. computers B. school funding levels C. teacher-student ratios D. school-community partnerships
According to Braithwaite's shaming theory, a communitarian culture
rejects pejorative connotations of dependency as threatening individual autonomy. Indicate whether the statement is true or false
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a. endogamy. b. homogamy. c. exogamy. d. propinquity.
According to the proponents of using Ritalin on children under six with ADHD, which of the following statements best illustrates their thinking?
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