A nonparametric analog of the trelis the _____
a. Wilcoxon signed-ranks test
b. Mann-Whitney U test
c. Chi-square test of independence
d. Chi-square goodness-of-fit test
A
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The null hypothesis in a repeated measures t test is
a. the hypothesis that the mean difference score is equal to 0. b. the hypothesis that the mean difference score is different from 0 in either direction. c. the hypothesis that post scores are larger than pre-scores. d. the hypothesis that the variance of scores stays constant from pretest to posttest.
Which of the following is a criticism of Piaget's cognitive-developmental theory?
A. Piaget underestimated children's contributions to their own development. B. Piaget assumed that all cognitive-developmental stages are universal. C. Piaget focused too much on unconscious drives and motivations. D. Piaget focused too heavily on emotional and social factors that influence development.
List and explain the "three Rs" of animal research
What will be an ideal response?
What ethnic group with mental illness is most likely to be homeless?
a. Asian Americans b. Native Americans c. African Americans d. Hispanic Americans