Poverty affects a disproportionate number of _______________
Low socio economical income?
Answer: African Americans
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Why have many experiments somewhat underestimated people's ability to recognize facial expressions of emotion? a. They used photographs in which all faces were posed looking in different directions. b. They used photographs in which all faces were posed looking straight at the camera. c. They gave people a list of emotions and asked them to match faces to the list
d. They asked for fine distinctions, such as the difference between guilt and shame.
Which of the following is a possible null hypothesis in an analysis of variance with 5 groups? (H1: µ1 ? µ2 ? µ3 ? µ4 ? µ5; H2: µ1 ? µ2 = µ3 = µ4 = µ5)
a. the first one b. the second one c. both the first and second d. Neither of these is a null hypothesis.
Mineko did not know she was pregnant until she was about three months along. During those first three months, she drank alcoholic beverages quite frequently. While prenatal alcohol consumption can influence the developing embryo and fetus in a number of ways, Mineko should be LEAST concerned about having a newborn who
a. is hyperactivity. b. has lowered intelligence. c. has seizures. d. has a deformed heart.
Which of the following factors influences the effectiveness of punishment?
a. immediacy b. contingency c. motivating operations d. all of these