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NS 405 - Midterm 2
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Terms in this set (9)
Acuity
What is the smallest pattern we can resolve?
2 Point
What resolution is it when can you tell there are 2 points instead of 1?
Optical Quality, Blur, Sampling by Receptors
What are three factors that limit acuity?
Contrast Sensitivity
What size do we see best is measured by what?
Contrast
What is variations in light level (around the mean light)?
Spatial Frequency
What is a measure of "size" in terms of cycles per degree of visual angle?
Low Frequency
What are "large bars" of frequency or few cycles per degree?
High Frequency
What are "small bars"of frequency or many cycles per degree?
Contrast Sensitivity Function
What is a function describing how the sensitivity to contrast (defined as the reciprocal of the contrast threshold) depends on the spatial frequency (size) of the stimulus?
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For a penny toss game, players throw a penny into a tank of water and try to get it to land in a small glass. Jim recorded the number of throws it took a group of players to win the penny toss. How many players won on their first try? A 7 B 3 C 24 D 1
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Koto purchased food for herself and her friends. She bought 4 cheeseburgers for $3.99 each, 3 French fries for$1.79 each, and 4 drinks for $5.16. Write and evaluate an expression to find how much the food cost.
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192 students in 4 buses ___ in each bus
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6 is what percent of 15?
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