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05 Feb 2022, 02:54
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Marmosets are the only primates other than humans known to display a preference for using one hand rather than the other. Significantly more marmosets are lefthanded than are right-handed. Since infant marmosets engage in much imitative behavior, researchers hypothesize that it is by imitation that infant marmosets learn which hand to use, so that offspring reared by lefthanded parents generally share their parents’ handedness.
Which one of the following, if true, most supports the researchers’ hypothesis?
(A) A study conducted on adult marmosets revealed that many were right-handed.
(B) Right-handed marmosets virtually all have at least one sibling who is left-handed.
(C) According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand.
(D) Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least one left-handed parent.
(E) Marmosets raised in captivity with right-handed adult marmosets to whom they are not related are more likely to be right-handed than left-handed.
Which one of the following, if true, most supports the researchers’ hypothesis?
(A) A study conducted on adult marmosets revealed that many were right-handed.
(B) Right-handed marmosets virtually all have at least one sibling who is left-handed.
(C) According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand.
(D) Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least one left-handed parent.
(E) Marmosets raised in captivity with right-handed adult marmosets to whom they are not related are more likely to be right-handed than left-handed.
05 Feb 2022, 09:10
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Marmosets are the only primates other than humans known to display a preference for using one hand rather than the other. Significantly more marmosets are lefthanded than are right-handed. Since infant marmosets engage in much imitative behavior, researchers hypothesize that it is by imitation that infant marmosets learn which hand to use, so that offspring reared by lefthanded parents generally share their parents’ handedness.
Which one of the following, if true, most supports the researchers’ hypothesis?
What may help prove that imitative behavior is the reason behind marmosets whose parents are lefthanded being lefthanded. Pay attention to the word 'most' in the question stem.
(A) A study conducted on adult marmosets revealed that many were right-handed. - WRONG. Opposite when many is almost about more than 50%. Otherwise it can also support if many is less than 50% or 20% or else. Eventually this option does not stand to be MOST helpful, may be a little bit only.
(B) Right-handed marmosets virtually all have at least one sibling who is left-handed. - WRONG. Virtually is not strong enough.
(C) According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand. - WRONG. Again like A it goes either ways.
(D) Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least one left-handed parent. - WRONG. Irrelevant.
(E) Marmosets raised in captivity with right-handed adult marmosets to whom they are not related are more likely to be right-handed than left-handed. - CORRECT. Imitativeness proved i.e. in captivity it can be possible that right-handedness is imitated by offspring. So, offspring can imitate whatever they see.
Answer E.
Which one of the following, if true, most supports the researchers’ hypothesis?
What may help prove that imitative behavior is the reason behind marmosets whose parents are lefthanded being lefthanded. Pay attention to the word 'most' in the question stem.
(A) A study conducted on adult marmosets revealed that many were right-handed. - WRONG. Opposite when many is almost about more than 50%. Otherwise it can also support if many is less than 50% or 20% or else. Eventually this option does not stand to be MOST helpful, may be a little bit only.
(B) Right-handed marmosets virtually all have at least one sibling who is left-handed. - WRONG. Virtually is not strong enough.
(C) According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand. - WRONG. Again like A it goes either ways.
(D) Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least one left-handed parent. - WRONG. Irrelevant.
(E) Marmosets raised in captivity with right-handed adult marmosets to whom they are not related are more likely to be right-handed than left-handed. - CORRECT. Imitativeness proved i.e. in captivity it can be possible that right-handedness is imitated by offspring. So, offspring can imitate whatever they see.
Answer E.
19 Jul 2023, 17:52
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