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A study finds that 100 percent of 20-year-olds,70 percent of 40-year-olds,and only 40 percent of 60-year-olds are able to detect the scent of a single rotten egg in a 10- by 10-foot room.A developmental psychologist would most likely explain this change in terms of a(n)


A) Decrease in olfactory sensory threshold
B) Increase in olfactory sensory threshold
C) Decrease in cross-modality perception
D) Increase in cross-modality perception

E) A) and B)
F) A) and C)

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Which statement concerning speech perception in adulthood is true?


A) Loud background noise is more distracting to young adults than to older adults.
B) Older adults are more likely to recall fewer details from a conversation that took place in a noisy restaurant.
C) Older adults tend to be better at attending to multiple conversations than young adults.
D) In familiar setting,older adults tend to not use contextual cues to help them interpret what they are hearing.

E) A) and D)
F) A) and B)

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Which of the following best describes the dynamic between multitasking and academic performance?


A) There is no correlation between academic performance and multitasking.
B) Multitasking and academic performance have an inverse relationship.
C) Academic performance has a strong positive correlation to multitasking.
D) Multitasking and academic performance have a synergistic relationship.

E) None of the above
F) All of the above

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Which of the following is true regarding newborn infants' vision?


A) Infants do not have color vision until around six months of age.
B) Much of what young infants see is blurry.
C) Pattern complexity has no impact on infants' visual preferences.
D) Initial visual accommodation skills allow infants to focus clearly on far objects but not near objects.

E) All of the above
F) A) and B)

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Who is demonstrating a fine motor skill?


A) Tina,who is kicking
B) Akbar,who is jumping
C) Nancy,who is grasping a pencil
D) Max,who is throwing a ball

E) None of the above
F) All of the above

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One-month-old infants were given either a smooth pacifier or one with hard nubs on which to suck.Although they had not seen the pacifier while sucking on it,when given the opportunity to look,the infants stared longer at the type of pacifier that they had sucked on.This shows that they have


A) cross-modal perception.
B) evoked potential.
C) inter-sensory sensation.
D) dynamic systems.

E) B) and D)
F) None of the above

Correct Answer

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Swen's doctor just informed him that in order to correct his visual problem,Swen must have his clouded lens replaced.This means that Swen's visual problem involves


A) retinitis pigmentosa.
B) cataracts.
C) glaucoma.
D) macular degeneration.

E) A) and B)
F) None of the above

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As she's gotten older,Margaret notices that she needs to fill her salt and pepper shakers much more frequently.

A) True
B) False

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Which of the following best describes the process of motor skills development in children?


A) continuous
B) staged
C) intermittent
D) innate

E) B) and C)
F) A) and D)

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Mr.Perkins is developing a program to help high school students protect their hearing.What is an important aspect that the program should do to be effective?


A) avoid noting the potential long-term consequences of noise exposure.
B) clarify that hearing loss is not a health problem but a social issue.
C) reduce the stigma associated with wearing hearing protection.
D) note that one-time exposure to loud noise cannot cause damage.

E) A) and B)
F) None of the above

Correct Answer

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Three-month-old infants can discriminate between phonemes.This means that they can discriminate between


A) basic speech sounds.
B) a doorbell and the bell on a telephone.
C) various familiar odors.
D) familiar and novel tastes.

E) All of the above
F) None of the above

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Todd didn't want to go with his mother to visit their neighbor Estella;he'd prefer to stay home and play with his kitchen set.But when they walked into Estella's house,Todd immediately saw a box of toy race cars and track.He ran to them and was happy while Estella and his mom talked for an hour.What does Todd's behavior demonstrate?


A) orienting system
B) dynamic system
C) focusing system
D) perceptive system

E) A) and B)
F) A) and C)

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Compared to younger children,teenagers are ________ in their attention.


A) less distracted
B) more random
C) less focused
D) more fragmented

E) A) and B)
F) A) and C)

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Which of the following best reflects a child's refinement of motor skills?.


A) the transition from walking across a room to running across a room
B) the transition from banging an orange with a fist to peeling an orange
C) the transition from nodding the head at someone to waving a hand
D) the transition from writing letters on a paper to making large scribbles

E) A) and D)
F) All of the above

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According to dynamic systems theory,children use innate knowledge of rhythmic sounds to refine their sense of hearing.

A) True
B) False

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Which object would have the greatest amount of visual contour?


A) A series of black circles on a white background
B) A gray ship on the ocean
C) A pillow with pastel blobs of blue and yellow
D) A clear baby-bottle filled with breast milk

E) A) and C)
F) B) and D)

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How does the sense of hearing change in older adulthood? What is the impact of these changes?

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As people age, the sense of hearing ofte...

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Which of the following is NOT an example of cross-modal perception?


A) Recognizing a person's face in a photograph that you have only seen in person one time
B) Picking out by sight a toy that you had previously only touched
C) Identifying which of your two pet cats has jumped onto the bed in the dark by running your hands over it
D) Correctly identifying a Tootsie Roll pop because of the way it feels in your mouth,after a friend tells you to closer your eyes and open your mouth for a treat

E) A) and B)
F) A) and C)

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Old people are most likely to keep their homes too hot or too cold because


A) they tend to be less sensitive to changes in temperature.
B) changes in temperature tend to induce a loss of balance.
C) their constant pain will make them seek environments of different temperatures.
D) as myelin in their brains decreases their bodies crave heat.

E) A) and B)
F) All of the above

Correct Answer

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The fact that two-month-olds can detect the difference between the sound "pa" and the sound "ba" indicates that they


A) can differentiate phonemes.
B) have cross-modal perception.
C) have semantic awareness.
D) possess visual accommodation.

E) A) and B)
F) C) and D)

Correct Answer

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