Sign up to star your favorites LSAT 136 - Section 4 - Question 11
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August 17, 2012
Summarize Argument: Phenomenon-Hypothesis
The manager concludes that the policy change caused the increase in mail-order sales. He supports this by noting that mail-order sales increased 25%, starting around the time the company began offering free shipping on all orders, instead of just on orders over $50.
Notable Assumptions
The manager assumes that there are no alternative hypotheses to explain the observed correlation— that is, he assumes there’s no other explanation for the recent increase in mail-order sales, like increased online ordering across companies or increased advertising.
A
Mail-order sales have been decreasing for companies that do not offer unlimited free shipping.
This rules out the alternative hypothesis that mail-order sales have also increased across other companies. It also strengthens the causal connection between unlimited free and increased mail-order sales by suggesting that without it, such sales may not increase.
B
The company did not widely advertise its change in policy.
This weakens the argument by suggesting that many customers didn’t know about the company’s unlimited free shipping. If they didn’t know about it, it’s unlikely that it influenced their mail-order purchases.
C
The company’s profits from mail-order sales have increased since the change in policy.
Irrelevant. The manager only addresses an increase in mail-order sales, not an increase in profits from mail-order sales. The fact that profits increased doesn’t help to establish that the policy change caused the increase in sales.
D
The company’s change in policy occurred well after its competitors started offering unlimited free shipping.
Irrelevant. Even if other companies have been offering unlimited free shipping much longer, we still need to determine whether unlimited free shipping caused the increase in mail-order sales at the manager’s company.
E
Most companies offer free shipping only on mail-order purchases over $50.
Irrelevant. Even if most companies don’t offer unlimited free shipping, we still need to determine whether unlimited free shipping caused the increase in mail-order sales at the manager’s company.
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August 17, 2012Sign up to star your favorites LSAT 136 - Section 4 - Question 05
August 17, 2012
Summarize Argument: Counter-Position
The argument discusses a famous artist's claim that all great art imitates nature. However, the author points out that most great music does not imitate anything, such as ocean waves or animal sounds. Because of this, the argument concludes that either:
The artist’s claim is incorrect, or most great music is not actually great art since it doesn’t imitate nature.
The artist’s claim is incorrect, or most great music is not actually great art since it doesn’t imitate nature.
Identify Conclusion
The artist’s claim is incorrect, or most great music is not actually great art since it doesn’t imitate nature.
A
Music is inferior to the other arts.
The author does not say whether certain kinds of art are inferior to others. This argument is solely focused on the famous artist’s claim.
B
Either the artist’s claim is incorrect, or most great music is not great art.
This reflects the conflict between the famous artist’s claim and the premise that most great music does not imitate nature. Thus, either the famous artist is wrong, or most music is not great art because it does not imitate nature.
C
Like some great music, some great painting and sculpture may fail to imitate nature.
The argument does not talk about painting or sculpture. It is focused on the relationship between great art and music.
D
Some elements of nature cannot be represented adequately by great art.
This is not discussed in the argument and does not receive any support. The argument centers on what conclusions can be drawn from famous artist’s argument, given that most great music does not imitate anything at all.
E
Sounds that do not imitate nature are not great music.
The author directly contradicts this by acknowledging that most great music does not imitate nature. The famous artist *may* believe this, but it is certainly not the main conclusion of this argument.
Sign up to star your favorites LSAT 136 - Section 4 - Question 06
August 17, 2012Tamara: That is not true. Many wealthy Japanese during the Tokugawa period had their houses constructed with intentionally squeaky floors so that they would receive warning if a ninja were in the house.
Summarize Argument
Tamara concludes that it is not true that most Japanese people did not fear ninjas during Japan’s Tokugawa period. She bases this on the fact that, during the Tokugawa period, many wealthy Japanese people installed intentionally squeaky floors in their homes so that they would know if a ninja snuck in.
Notable Assumptions
Tamara assumes that wealthy Japanese people during the Tokugawa period are a representative sample of most Japanese people at that time. She assumes that, just because many wealthy people seem to have feared ninjas, that means that most other Japanese people also feared ninjas.
A
Many poor Japanese during the Tokugawa period also had houses constructed with intentionally squeaky floors.
This strengthens Tamara’s argument slightly by showing that more than just wealthy Japanese people appear to have feared ninjas. We instead need an answer choice that weakens her conclusion that most Japanese people feared ninjas in the Tokugawa period.
B
As part of their secret training, ninjas learned to walk on squeaky floors without making a sound.
Even if their squeaky floors weren’t an effective defense against ninjas, wealthy Japanese people still seem to have feared them. The questions remains whether these wealthy Japanese accurately represented all Japanese people during the Tokugawa period.
C
The wealthy made up a small portion of Japan’s population during the Tokugawa period.
This weakens the argument by showing that Tamara's assumption that wealthy Japanese accurately represent all Japanese people is false. (C) points out that Tamara can't draw a conclusion about all Japanese people in the Tokugawa period based only on evidence about wealthy people.
D
The fighting prowess of ninjas was exaggerated to mythic proportions in the years following the Tokugawa period.
Whether or not ninjas were truly great fighters doesn’t change the fact that many wealthy Japanese people seem to have been afraid of them during the Tokugawa period. (D) doesn’t weaken Tamara’s conclusion or point out that her assumption is false.
E
There were very few ninjas at any time other than during the Tokugawa period.
Tamara’s conclusion is only about Japanese people during the Tokugawa period, so the presence or absence of ninjas at any other time period is not relevant.