Double-opponent cells are thought to be particularly useful for detecting ______.
A. color edges by enhancing color divisions at the edges of objects
B. the subtle variations of hues that are close on the color wheel
C. unique colors by having two receptors to discern them
D. the edges of achromatic colors that do not activate normal opponent cells
Answer: A
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Drinking orange juice is negatively correlated with the risk of cancer. Based on this information, which of the following statements is true?
a) The more orange juice you drink, the higher your risk of cancer. b) The more orange juice you drink, the lower your risk of cancer. c) The less orange juice you drink, the lower your risk of cancer. d) Drinking orange juice causes people to be cancer free.
Researchers Bibb Latané and John Darley partly explained bystander "apathy" in terms of the "diffusion of responsibility" felt by participants. By this they meant that
a. when others are available, people will often assume that someone else will help or should help. b. individuals differ to the degree to which they are programmed to act responsibly. c. the blame for apathetic behavior is best placed on the shoulders of society in general. d. in emergency situations, people become emotional and should not be held accountable for their lack of action.
Vanna's mother is ill and Vanna is feeling overwhelmed and sad. To cope with this stress of her mother's illness, Vanna has been writing her feelings down in a journal. Vanna is using:
a) problem-focused coping. b) emotion-focused coping. c) distraction. d) reappraisal.
Which of the following was found to be a protective factor against alcohol abuse for Asian Americans?
a. parental disapproval of drinking b. parental influence on choice of friends c. father’s influence on drinking d. both a & b