The center of the retina, or fovea, where vision is sharpest, contains only ________, which let us see in color
a. pupils
b. corneas
c. rods
d. cones
Answer: d
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People’s strong desire to be named the leader of their group is known as the romance of leadership.
a. True b. False
The average time between the diagnosed onset of Alzheimer's disease and death is
a. six months. b. one year. c. six years. d. twelve years.
In the following, 
, what does the z-score tell us?
A. that the population mean is 2.33 SDs above the current class mean B. that the current class mean is 2.33 SDs above the population mean C. that the current class mean is 2.33 SDs below the population mean D. that the population mean is 2.33 SDs below the current class mean
If an image of Abraham Lincoln's face was flashed on a screen, the viewer could hold the visual impression in their sensory register as a
a. memory code. c. memory trace. b. sensory trace. d. all of these