. Which of the following dispersions of scores for two groups, A and B, best illustrates the null hypothesis for a Mann–Whitney U test?
A. A, B, A, B, A, B, A, B
B. A, A, B, B, A, B, B, A
C. B, A, B, A, A, B, A, B
D. A, A, A, A, B, B, B, B
Ans: A
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Which of the following is consistent with the empirical rule?
A. At least 68% of all scores lie within one standard deviation of the mean. B. At least 95% of all scores lie within two standard deviations of the mean. C. At least 99.7% of all scores lie within three standard deviations of the mean. D. All of these.
The child who judges herself valuable to others and has good self-esteem would be reflecting the dimension of self-esteem
A. competence B. control C. worth D. self-identity E. none of these
Intentional learning, as described in the textbook, would be most important for which one of the following learning tasks?
a. Revising previously inaccurate understandings of scientific phenomena b. Learning how to spell words that violate common English letter-sound relationships (e.g., the term hors d'oeuvre) c. Learning that performance on classroom tests is usually better if one studies a little bit every night rather than cramming at the last minute d. Learning how to ask grammatically correct questions in the English language
A strategy to use when answering fill-in-the blank questions is to
A. look for faulty cause and effect. B. look for qualifiers like all, never, always, and every. C. think of key words that were used in class. D. look at sentence structure.