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Similarly a classic psychological experiment showed

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Similarly, a classic psychological experiment showed slower reaction times and lessaccurate answers when a deck of playing cards reversed the color of the suit symbol forsome cards (e.g. red spades and black hearts). Peoples’ expectations about thestimulus (“if it’s red, it must be diamonds or hearts”) affected their ability to accuratelyinterpret it.Self-conceptThis term describes the collection of beliefs people have about themselves, includingelements such as intelligence, gender roles, sexuality, racial identity, and many others. IfI believe myself to be an attractive person, I might interpret stares from strangers(stimulus) as admiration (interpretation). However, if I believe that I am unattractive, Imight interpret those same stares as negative judgments.Perceptual ConstancyPerceptual constancy is perceiving objects as having constant shape, size, and colorregardless of changes in perspective, distance, and lighting.LEARNING OBJECTIVESDescribe the most common types of perceuptual constanciesKEY TAKEAWAYSKey PointsPerceptual constancy refers to perceiving familiar objects as having standard shape,size, color, and location regardless of changes in the angle of perspective, distance, andlighting.Size constancy is when people’s perception of a particular object’s size does not changeregardless of changes in distance from the object, even though distance affects the sizeof the object as it is projected onto the retina.Shape constancy is when people’s perception of the shape of an object does not changeregardless of changes to the object’s orientation.Distance constancy refers to the relationship between apparent distance and physicaldistance: it can cause us to perceive things as closer or farther away than they actuallyare.Color constancy is a feature of the human color perception system that ensures that thecolor of an object is perceived as similar even under varying conditions.Auditory constancy is a phenomenon in music, allowing us to perceive the sameinstrument over differing pitches, volumes, and timbres, as well as in speech perception,when we perceive the same words regardless of who is speaking them.
Key TermsPerceptual constancy: The tendency to see familiar objects as having standard shape,size, color, or location regardless of changes in the angle of perspective, distance, orlighting; stability in perception despite gross instability in stimulation.Have you ever noticed how snow looks just as “white” in the middle of the night underdim moonlight as it does during the day under the bright sun? When you walk awayfrom an object, have you noticed how the object gets smaller in your visual field, yet youknow that it actually has not changed in size? Thanks to perceptual constancy, we havestable perceptions of an object’s qualities even under changing circumstances.

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Term
Fall
Professor
JOHN AMEGASHIE
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