Sheri is participating in a psychology experiment. She is seated in a dimly lighted room and is told to look straight ahead at the blank screen. Sheri's task is to detect points of light as they appear on the screen. Sheri will be paid $10 for every point of light she correctly detects. Several minutes into the experiment, Sheri is discouraged by how few light points she is seeing, so she changes her strategy and starts focusing off to the side of the screen rather than in the middle as she had been. Sure enough, by the end of the experiment, Sheri has enough money to buy the pizza for tonight's study group. Sheri's new strategy worked because:
A. the image then fell on the part of the retina more densely packed with cones
B. the image then fell on the part of the retina more densely packed with rods
C. the image then fell on the outside of the retina where the cones are more dense
D. the image then fell on the fovea where the dim light is more easily detected
B. the image then fell on the part of the retina more densely packed with rods
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