Which statement on IQ score distributions is FALSE?
a. Distributions for Caucasians and African Americans are normal in their shapes.
b. Caucasians excel in IQ over all other racial/ethnic groups.
c. Distributions for African Americans and Caucasians overlap.
d. African American children get better scores on verbal tests than on subscales of other abilities.
B
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Why might children in lower socioeconomic classes still be growing taller while those in the middle and upper socioeconomic classes are not?
a. Nutrition for all children is becoming poorer. b. Medical care has not yet resulted in a growth trend in lower SES classes. c. Poorer children are still benefiting from improved nutrition. d. They are not? this is a myth.
Dr. Dalbey is studying the effects of fatigue on aggression. He hypothesizes that the more fatigue a person is experiencing, the more aggressively the person will behave. Unbeknownst to Dr. Dalbey, the participants' level of hunger also had an impact on their aggression. Hunger could thus be a(n) ____ variable.?
a. ?independent b. ?dependent c. ?confounding d. ?intervening
Which one of the following people wrote a book targeting adolescence as a distinct period?
a. G. Stanley Hall. c. Leta Stetter Hollingworth. b. Charles Darwin. d. Alfred Binet.
Which statement is true about marriage in late adulthood?
A) Marital satisfaction decreases from middle to late adulthood, when it is at its low point. B) As in early and middle adulthood, paths of late-life marital satisfaction are diverse. C) Late-life marriages are linked to higher rates of chronic illness and disability and decreased longevity. D) Compared with younger couples, aging couples disagree more often and rate their relationship as lower in quality.