Correlational studies:
a. Express the degree of relationship between two variables
b. Use a measure called a correlation coefficient that can vary from 0 to 100%
c. Should never be used in studies that investigate heredity
d. All of the above
A
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Mrs. Healy originally took this widely prescribed sedative medication to reduce anxiety and muscle tension. Now, however, she cannot deal with stress without using it, and she has developed a tolerance to it. What drug is she probably taking?
a. Antabuse b. Valium c. phencyclidine d. caffeine
Which of the following statements is true about vascular neurocognitive disorder?
A. The prevalence rate is 25% for those over age 80. B. The risk for women is slightly higher than men. C. The outcome is similar to that of Alzheimer's disease. D. The onset is about the same as for Alzheimer's disease.
Using a sample of young adolescents, Dr. Nguyen finds a correlation of .55 between scores on a measure of neglectful or uninvolved parenting and scores on a measure of delinquent behavior. Based on this correlation alone, Dr. Nguyen can legitimately conclude that
a. the two variables are unrelated b. low SES is associated with both uninvolved parenting and the juvenile delinquency of the children c. uninvolved parenting causes delinquency in the children d. parenting that is more uninvolved is related to a higher degree of delinquent behavior in the children
Research indicates Native Americans, in general, are
a. future-oriented individuals. b. past-oriented individuals. c. present-oriented individuals. d. time-oriented individuals.