If the null hypothesis is true and we run the Mann-Whitney test on our data, the expectation is that
a. the difference scores will all be zero.
b. the test will be significant.
c. the sum of the ranks in the two groups will be approximately equal (assuming equal sample sizes).
d. the number of subjects in each group will be about the same.
C
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Which of the following statements is MOST accurate?
a. More than one-third of all psychological studies involve animals. b. The American Psychological Association has developed ethical guidelines for research involving animals. c. There have been few, if any, major advances in the treatment of mental or physical disorders in humans that are attributable to animal research. d. The majority of psychological studies using animals involve painful or harmful manipulations.
Success, achievement, competition, status, and power are
a. considered social goals. b. classified as stimulus motives. c. not affected by socialization nor cultural conditioning. d. characterized by all of these.
Inventories are standardized objective questionnaires requiring written responses; they typically include scales on which people are asked to rate themselves
Indicate whether this statement is true or false.
A type of psychosurgery that involves disconnecting the frontal sections of the cortex from other areas of the brain is called a(n) prefrontal
Fill in the blank with correct word