Jane is putting together a battery of tests to select employees for her company. She is already using a test of cognitive ability and a test of numerical reasoning. She is now considering adding a personality test as well. Which one of the following would be the best statistical procedure to help make a decision about whether to add the personality test?
A. correlation
B. simple linear regression
C. multiple regression
D. Cohen’s kappa
Ans: C
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Even well-crafted intervention programs have failed to reduce the rates of child abuse and maltreatment in the United States
a. True b. False Indicate whether the statement is true or false
The main difference between primary and secondary circular reactions is
a. whether the action is toward the infant or an object. b. the geometric accuracy of the circle pattern. c. the relative sizes of the circles produced. d. the speeds of the repetitive motions.
Mann (1981) found a significant positive correlation between crowd size and suicide baiting. What is the most correct way to interpret Mann's findings?
A) People in large crowds feel anonymous and it causes them to bait. B) Once suicide baiting starts, it causes a crowd to gather. C) There is no relationship between crowd size and suicide baiting. D) As crowd size increases, suicide baiting increases.
If a distribution of scores has a few extremely low scores and no corresponding high scores, which of the following would be TRUE?
A. The mean would be larger than the median. B. The mean and the median would be equal. C. The mean, median, and mode would all be the same. D. The mean would be smaller than the median.