The sum of the cross-products of Z scores divided by the number of people in the study yields
A) the Pearson correlation coefficient.
B) the proportionate reduction in error.
C) Kendall’s tau coefficient.
D) the raw scores.
Answer: A
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The divorce rate of remarried people with children is higher than the divorce rate of first marriages. Which sentence best describes the divorce rate of remarried people without children?
A) It is higher than the divorce rate of first marriages. B) It is about the same as the divorce rate of first marriages. C) It is lower than the divorce rate of first marriages. D) It varies based on the new dual income of the couple.
Simple horticulturalists typically produce more food per unit of land than do huntergatherers
Indicate whether this statement is true or false.
The circumstances that facilitate feeling at "home" while living in a nursing home include all of the following except
A. participating in the placement decision. B. having prior knowledge of the facility. C. focusing on family and social relationships. D. focusing on autonomy and personal objects.
Victor, a college graduate, is romantically attracted to his friend, Marsha. This scenario illustrates Victor's _____
A) ?sexual identity B) ?sexism C) ?gender identity D) ?sexual double standard E) ?homosexuality