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24 Cards in this Set
- Front
- Back
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Q. When does infants' VISUAL ACUITY approach that of adults'?
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A. 8 MONTHS. Full visual acuity at age 6.
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Q. When does infants' COLOR VISION approach that of adults'?
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A. 2-3 MONTHS.
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Q. When does infants' VISUAL SCANNING extend to OVERALL SHAPE and INNER DETAILS?
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A. 2 MONTHS.
Unlike 1-months, 2-months can distinguish from and prefer normal face to freakish face. |
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Q. When do infants recognize SUBJECTIVE CONTOUR?
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A. 7 MONTHS or younger.
They can integrate PATTERNS. |
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Q. When do infants perceive PERCEPTUAL CONSTANCY?
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A. from birth.
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Q. When do infants perceive OBJECT SEGREGATION?
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A. 2-MONTHS or younger.
They use COMMON MOVEMENT cues to distinguish two objects. Later, infants also use GENERAL KNOWLEDGE about the world as cue. |
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Q. When do infants perceive OPTICAL EXPANSION?
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A. 1 MONTH or YOUNGER
- use BINOCULAR DISPARITY (dev. rapidly at 4 months) and subsequent STEREOPSIS |
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Q. When do infants perceive MONOCULAR (pictorial) DEPTH CUES?
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A. 6-7 MONTHS (reach to the longer side of a trapezoidal window)
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Q. When do infants approach adults' HEARING levels?
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A. 5-8 YEARS. (newborns are a bit hard of hearing!)
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Q. When do infants show AUDITORY LOCALIZATION?
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A. from birth, but limited to sounds that last for several seconds.
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Q. When does infants show ability to:
1. link their visual and oral experiences 2. link their visual and tactile experiences 3. link visual and auditory experiences 4. link human faces and voices |
A. 1. visual-oral: 1-MONTHS
2.3.4 (vis-tact, vis-aud, face-voice): 4-MONTHS |
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Q. When does STEPPING REFLEX disappear typically?
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A. around 2-MONTHS of age.
Rapid gain of WEIGHT may contribute to its disappearance. |
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Q. When do infants REACH for objects?
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A. 3-4 MONTHS, although their movements are yet jerky and poorly controlled.
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Q. When do infants SIT independently?
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A. 7-MONTHS. By then their reaching becomes quite stable as well.
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Q. When do infants show SELF-LOCOMOTION?
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A. 8-MONTHS.
They begin to CRAWL. (inchworm belly-flop style -- hands-and-knees crawling) |
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Q. When do infants begin to WALK?
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A. 13-14 MONTHS. Practice is vital for mastering their weak muscles and balance.
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Q. When does IMITATION begin?
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A. newborns also imitate others, but imitation is robust by 6 MONTHS.
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Q. When does infants show analysis of other's INTENTION in imitating their behaviors?
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A. 18-MONTHS or younger.
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Q. When do infants react to VIOLATION-OF EXPECTANCY in Baillargeon's study of 180-degrees-rotating-screen?
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A. 3.5 MONTHS
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Q. When do infants show understanding of GRAVITY?
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A. as early as 7 MONTHS
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Q. When do infants show understanding of SUPPORT RELATIONS?
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A. 3 months (contact/no contact) -- 5 months (TYPE of contact) -- 6.5 months (AMOUNT of contact) -- 12.5 months (SHAPE)
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Q. When do infants show understanding that others' behavior is GOAL-DIRECTED?
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A. 6-MONTHS
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Q. When do infants attribute human-like aspects to inanimate entities? (intention, disposition..)
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A. 12-MONTHS
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Q. When do infants show understanding of OTHERS' KNOWLEDGE STATES?
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A. 15-MONTHS assume that a person's behavior will be based on his BELIEF, whether true or false.
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