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# When adults toss balls to very young children they generally try to

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Joined: 30 Jan 2016
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When adults toss balls to very young children they generally try to  [#permalink]

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06 Feb 2019, 09:57
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15% (low)

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81% (01:29) correct 19% (02:01) wrong based on 69 sessions

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When adults toss balls to very young children they generally try to toss them as slowly as possible to compensate for the children’s developing coordination. But recent studies show that despite their developing coordination, children actually have an easier time catching balls that are thrown at a faster speed.

Which one of the following, if true, most helps to explain why very young children find it easier to catch balls that are thrown at a faster speed?

(A) Balls thrown at a faster speed, unlike balls thrown at a slower speed, trigger regions in the brain that control the tracking of objects for self-defense.
(B) Balls that are tossed more slowly tend to have a higher arc that makes it less likely that the ball will be obscured by the body of the adult tossing it.
(C) Adults generally find it easier to catch balls that are thrown slowly than balls that are thrown at a faster speed.
(D) Children are able to toss balls back to the adults with more accuracy when they throw fast than when they throw the ball back more slowly.
(E) There is a limit to how fast the balls can be tossed to the children before the children start to have more difficulty in catching them.

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Re: When adults toss balls to very young children they generally try to  [#permalink]

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06 Feb 2019, 11:30
Akela wrote:
When adults toss balls to very young children they generally try to toss them as slowly as possible to compensate for the children’s developing coordination. But recent studies show that despite their developing coordination, children actually have an easier time catching balls that are thrown at a faster speed.

Which one of the following, if true, most helps to explain why very young children find it easier to catch balls that are thrown at a faster speed?

(A) Balls thrown at a faster speed, unlike balls thrown at a slower speed, trigger regions in the brain that control the tracking of objects for self-defense.
(B) Balls that are tossed more slowly tend to have a higher arc that makes it less likely that the ball will be obscured by the body of the adult tossing it.
(C) Adults generally find it easier to catch balls that are thrown slowly than balls that are thrown at a faster speed.
(D) Children are able to toss balls back to the adults with more accuracy when they throw fast than when they throw the ball back more slowly.
(E) There is a limit to how fast the balls can be tossed to the children before the children start to have more difficulty in catching them.

To correctly answer this question, we need a choice that answers the following question:

WHY would children have an easier time catching balls that are thrown at faster speeds than balls thrown at a slower speeds?

(A) Correct. This could explain why they do. The children are somehow triggered by fast moving balls, a factor that somehow helps them to quickly react and catch the balls.

(B) Incorrect. This does not tell us why children would more easily catch faster moving balls. In fact, it gives us a reason to believe that they would more easily catch slower moving balls.

(C) Incorrect. We have to be careful not to concoct a story from what this choice says, arriving as something like. "This shows that children are different from adults. So, they don't catch the same way, and therefore catch faster moving balls better." This choice provides no information that explains why a child more easily catches a faster moving ball.

(D) Incorrect. The fact that children do better when they throw faster does not explain why they more easily catch faster moving balls. While this answer is not particularly tricky, it does illustrate the fact that a choice that mentions something, in this case faster moving balls, that is related to what we are looking for is not necessarily correct, and could be a trap.

(E) Incorrect. The fact that there is a limit to how fast the balls can be tossed to the children does not explain why they more easily catch faster moving balls.

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##### General Discussion
Director
Joined: 25 Dec 2018
Posts: 565
Location: India
Concentration: General Management, Finance
GMAT Date: 02-18-2019
GPA: 3.4
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When adults toss balls to very young children they generally try to  [#permalink]

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06 Feb 2019, 10:22
Akela wrote:
When adults toss balls to very young children they generally try to toss them as slowly as possible to compensate for the children’s developing coordination. But recent studies show that despite their developing coordination, children actually have an easier time catching balls that are thrown at a faster speed.

Which one of the following, if true, most helps to explain why very young children find it easier to catch balls that are thrown at a faster speed?

(A) Balls thrown at a faster speed, unlike balls thrown at a slower speed, trigger regions in the brain that control the tracking of objects for self-defense.
(B) Balls that are tossed more slowly tend to have a higher arc that makes it less likely that the ball will be obscured by the body of the adult tossing it.
(C) Adults generally find it easier to catch balls that are thrown slowly than balls that are thrown at a faster speed.
(D) Children are able to toss balls back to the adults with more accuracy when they throw fast than when they throw the ball back more slowly.
(E) There is a limit to how fast the balls can be tossed to the children before the children start to have more difficulty in catching them.

We need to provide explanation for children so option B, option C, which are discussing about adults --------- out

Option D is discussing about children but not giving explanation, why young children find it easier to catch balls that are thrown at a faster speed --- wrong

Option E is out of scope, we are not bothered about balls speed --- wrong

FInally Option A is talking about children and giving explanation, why young children find it easier to catch balls that are thrown at a faster speed

So Option A is correct
Director
Joined: 09 Mar 2018
Posts: 990
Location: India
Re: When adults toss balls to very young children they generally try to  [#permalink]

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06 Feb 2019, 11:36
Akela wrote:
When adults toss balls to very young children they generally try to toss them as slowly as possible to compensate for the children’s developing coordination. But recent studies show that despite their developing coordination, children actually have an easier time catching balls that are thrown at a faster speed.

Which one of the following, if true, most helps to explain why very young children find it easier to catch balls that are thrown at a faster speed?

(A) Balls thrown at a faster speed, unlike balls thrown at a slower speed, trigger regions in the brain that control the tracking of objects for self-defense.
(B) Balls that are tossed more slowly tend to have a higher arc that makes it less likely that the ball will be obscured by the body of the adult tossing it.
(C) Adults generally find it easier to catch balls that are thrown slowly than balls that are thrown at a faster speed.
(D) Children are able to toss balls back to the adults with more accuracy when they throw fast than when they throw the ball back more slowly.
(E) There is a limit to how fast the balls can be tossed to the children before the children start to have more difficulty in catching them.

(B) Balls that are tossed more slowly tend to have a higher arc that makes it less likely that the ball will be obscured by the body of the adult tossing it.
This is not at all talking about the discrepancy.

(C) Adults generally find it easier to catch balls that are thrown slowly than balls that are thrown at a faster speed.
Had to give a reason for the young children and not the adults.

(D) Children are able to toss balls back to the adults with more accuracy when they throw fast than when they throw the ball back more slowly.
Tossing is OOS, its about catching

(E) There is a limit to how fast the balls can be tossed to the children before the children start to have more difficulty in catching them.
more difficulty is again OOS, the young children are able to catch easily

(A) Balls thrown at a faster speed, unlike balls thrown at a slower speed, trigger regions in the brain that control the tracking of objects for self-defense.
This bridges the gap and addresses the discrepancy.
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Re: When adults toss balls to very young children they generally try to   [#permalink] 06 Feb 2019, 11:36
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