[問題]OG(11th)CR-Q007

[凱薩琳]

A researcher discovered that people who have low levels of immune-system activity tend to score much lower in tests of mental health than do people with normal or high immune-system activity. The researcher conclued from this experiment that immune-system protects against mental illness as well as against physical disease.

The researcher's conclusion depends on which of the following assumptions?

答案是D，我選B。我想說要找前提就要讓結論成立，所以我想說免疫系統可以對抗精神疾病和生理疾病，是因為此系統對精神和生理疾病有同樣效果。 OG對此題的解答我看的不是很懂。

[維尼]

凱薩琳

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[凱薩琳]

A researcher discovered that people who have low levels of immune-system activity tend to score much lower in tests of mental health than do people with normal or high immune-system activity. The researcher conclued from this experiment that immune-system protects against mental illness as well as against physical disease.

The researcher's conclusion depends on which of the following assumptions?

(A)High immune-system activity protects against mental illness better than normal immune-system activity does.

(B)Mental illenss is similar to physical disease in its effects on body systems.

(C)People with high immune-system activity cannot develop mental illness.

(D)Mental illness does not cause people's immune-system activity todecrease.

(E)Psychological treatment of mental illness is not as effective as is medical treatment.

答案是D，我選B。我想說要找前提就要讓結論成立，所以我想說免疫系統可以對抗精神疾病和生理疾病，是因為此系統對精神和生理疾病有同樣效果。 OG對此題的解答我看的不是很懂。

[raikennon]

針對assumption的題目,可以用答案取非的方式來幫助你判別答案正確與否,若答案取非題目還是可以得到結論那答案就是不正確的,反之則否
以這題來看
題目的結論是
The researcher conclued from this experiment that immune-system protects against mental illness as well as against physical disease.

而把b的答案取非是
(B)Mental illenss is "not" similar to physical disease in its effects on body systems.
這並沒有辦法對題目的結論造成影響,題目的結論還是可以成立

而把d的答案取非是
(D)Mental illness does cause people's immune-system activity to decrease.
把d套回題目,則結論就沒辦法成立了,因為心理的疾病的確會造成免疫系統發生問題,所以d為正解

有些地方沒有翻的很好,但仍希望對你有幫助

open to discuss

[dibert8]

同樣的題目出現在 OG10-Q48.
(A) 沒有提 high vs normal immune-system activity 的差異
(B) 沒有比較 mental illness vs physical disease
(C) 沒有 high immune-system 跟 mental illness 的因果
(E) 沒有提 psychological treatment
=> (D) 若 mental illness 使 immune-system activity 下降, 將無法區別 mental illness 跟 high/low immune-system activity 的關係