In recent decades, American adolescents have been affected by changes in family structure that include all the following except
A) higher divorce rates.
B) couples having children at younger ages.
C) more single-parent families.
D) more working mothers.
Answer: B
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According to research, which of the following is MOST likely to be associated with poor grades?
a. Being absent from class b. Rewarding yourself for studying c. Overlearning the material d. Changing answers on a multiple-choice test
In a study, math-proficient women are randomly divided into two groups. The first group is told that men usually do better on the type of math test the women are about to take. The second group is not told anything. Which outcome would you expect??
a. ?The second group did worse than the first. b. ?The second group did better than the first. c. ?There was no meaningful difference between the performances of the two groups. d. ?The first group did better than the second but not as well as men who took the test.
Vocalizations that do not represent objects or events are called:
a. prelinguistic. c. random. b. nonsensical. d. paralinguistic.
Effect size is a measurement of the
a) magnitude of the experimental effect b) strength of the correlation. c) variance in a distribution. d) dependent variable.