Joe is unable to see reds and greens. He
A. Would see reds and greens as gray
B. Has a color weakness
C. Has the rarest form of color blindness
D. Has only rods in his eyes, no cones
Answer: A. Would see reds and greens as gray
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In the context of the research conducted by Latané, Williams, and Harkins (1979) on group productivity in the United States, which of the following is a factor that contributed to social loafing?
a) An increase in efforts by individuals when they work in groups as compared to when they work by themselves. b) A reduction in efforts by individuals when they work by themselves as compared to when they work in groups. c) Reduced efficiency resulting from a lack of coordination among workers' efforts resulting in lack of activity or duplicate activity. d) Improved coordination among workers' efforts resulting in increased efficiency and productivity.
Which of the following statements regarding lie detectors is true?
A. examiners are more likely to identify liars as truthful people B. lie detectors measure only physiological changes C. evidence from lie detectors is admissible in most courts of law D. polygraph examiners make correct decisions 99% of the time
In general, the relationship between large class size and academic advances
a. is positive. c. varies from school to school. b. is unpredictable. d. is negative.
Christine has always had an unusually effective memory. She credits this to the fact that after seeing something just once, she can visualize the object in great detail, as if she was looking at a photograph of it. Christine's ability is an example of _
a. clairvoyance b. eidetic imagery c. episodic imagery d. mnemonics