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You are sitting in an arena watching the end of a very close basketball game and you fail to notice that one of the referees has removed his shirt.This an example of


A) a visual illusion.
B) inattentional blindness.
C) retinal disparity.
D) attentional blindness

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Reversible figures illustrate the observation that


A) individuals may fail to see fully visible objects.
B) expectations do not influence perceptions.
C) the same visual input can result in different perceptions.
D) there is a one-to-one correspondence between sensory input and perception.

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Briefly describe the processes and pathways involved in the perception of pressure on the skin

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Skin receptors respond to pressure,tempe...

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If a person views three lights that differ only in amplitude,the person would perceive the lights as


A) differing in brightness.
B) different colors.
C) differing in brightness and color.
D) different shades of the same color.

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According to the Featured Study described in the text,a target woman wearing a red blouse was rated higher by male observers on all of the following EXCEPT


A) perceived attractiveness.
B) likability.
C) sexual desirability.
D) dating appeal.

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Absolute thresholds,or the maximum stimulus intensity detectable,are not really absolute,since recent research suggests that some individuals are able to detect stimulus beyond the previously established absolute thresholds.

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According to psychologists,the minimum stimulus intensity of any sensory input that an organism can detect is


A) its sensory memory.
B) subject to sensory adaptation.
C) the absolute threshold.
D) the just noticeable difference (JND) .

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Blake was at a football game,and even though people wearing green jackets were spread fairly evenly throughout the stands,he still perceived all the people in green jackets as a single group of visiting fans.Blake's perception is most consistent with the Gestalt principle of


A) proximity.
B) similarity.
C) closure.
D) simplicity.

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Roberta and Phil have been arrested for vandalism.Their defense attorney may be able to get a lighter sentence for her clients if she emphasizes that


A) this is the first offense for both her clients.
B) both her clients are good students who always score at the top of their class.
C) her clients are both active in a number of extra-curricular activities at their school.
D) other students involved in the incident did much more damage than her clients did.

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A red light,green light,and blue light differ in


A) amplitude.
B) complexity.
C) wavelength.
D) purity.

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Which of the following principles does the Ponzo illusion use to achieve its effect?


A) perceptual grouping
B) figure ground relationships
C) linear perspective
D) selective attention

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Imagine that biologists have discovered an animal that has eyes very similar to human eyes,but that the only receptor cells in the retina are rods; there are no cones.Based on what is known about human vision you might expect that this animal would


A) have poor vision in low illumination.
B) have no color vision.
C) have poor peripheral vision.
D) be able to detect extremely fine details.

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Giovanni was watching the night sky on a clear evening in November.He noticed that sometimes when he looked directly overhead he could detect a very faint star.A few minutes later it seemed that the star had disappeared,and then it "appeared" again.In this case,it is very likely that the light from the star was


A) just below Giovanni's level for perceptual invariance.
B) producing action potentials that were too weak to reach the terminal buttons.
C) just at Giovanni's absolute threshold for light.
D) producing inhibitory synapses rather than excitatory synapses.

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According to one theory of color vision,colors are signaled in pairs by neurons that fire faster to one color and slower to another color.This theory is known as the


A) opponent process theory.
B) trichromatic theory.
C) signal-detection theory.
D) feature-detection theory.

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Impossible figures are objects that exist in three-dimensional space but cannot be accurately represented in two-dimensional pictures.

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Sound is a ____ form of energy and is the result of ____.


A) wave; vibrating molecules
B) particle; photons
C) chemical; molecular breakdowns
D) moving; vibrating photons

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A perceptual hypothesis is an inference about which distal stimuli could be responsible for the proximal stimuli that are detected by the sensory receptors.

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The ____ were more concerned with interpreting a viewer's fleeting perception of reality than with recreating the photographic "reality" of a scene.


A) Medievalists
B) Realists
C) French Impressionists
D) Cubists

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At the musical he attended over the weekend,Andrew noticed that whenever the red and green spotlights overlapped,they seemed to change to a yellow spotlight.This can be explained using the principles of


A) additive color mixing.
B) subtractive color mixing.
C) hypercomplex feature detection.
D) opponent-processing of colors.

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The binocular depth cue that relies on the fact that objects within 25 feet project images to slightly different locations on the right and left retinas,so that the right and left eyes see slightly different views of the object is known as


A) convergence.
B) retinal disparity.
C) accommodation.
D) relative size.

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