Logical ReasoningDifficulty: Hard

PT114 S1 Q10 Explanation

Bernard: For which language, and

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsWeaken

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Stimulus

Bernard: For which language, and thus which frequency distribution of letters and letter sequences, was keyboard designed?

Cora: To ask this question, you must be making a mistaken assumption: that typing speed was to be maximized. The real danger with early typewriters was that operators would hit successive keys too quickly, thereby crashing typebars into each other, bending connecting wires, and so on. So by making the most common letter sequences awkward to type.

Bernard: This is surely not right! These technological limitations have long since vanished, yet the keyboard it was then.

What this question is testing

Weaken

Your task

Find the choice that makes the argument's conclusion less likely to be true.

Common trap

Answers that look negative but attack a claim the argument never relied on.

Winning move

Find the assumption the argument depends on, then pick the choice that undermines it.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
10.

Which one of the following, if true, could be used by Cora to counter Bernard’s rejection

Answer choices

  1. Correct53% picked this

    Typewriters and word-processing equipment are typically sold to people who have learned to use the standard keyboard and who, therefore, demand

    Why this is right

    Even though we no longer have to worry about typebars crashing into each other, we're still using that keyboard layout (that was originally designed to slow down people's typing speed) because ... people have gotten so used to that layout that they don't want to learn a new one and will only buy products with this standard layout.

    Skill tested: Weaken · how this choice captures the argument's function is the move to repeat next time.

  2. Not Addressing Objection24% picked this

    Typewriters have been superseded in most offices by word-processing equipment, which has inherited the standard

    Even though we no longer have to worry about typebars crashing into each other, we're still using that keyboard layout (that was originally designed to slow down people's typing speed) because ... nowadays we use computers, and they got their keyboard layout from the one we had from typewriters. Bernard would be like, "Of course I realize that computers are using the same keyboard layout as typewriters did. That's my whole point. Since computers don't have mechanical typebars, we don't have to worry about limiting people's typing speed, so we'd be crazy to keep using a keyboard layout that slows people down. There must be some other reason, Cora, why they originally designed the QWERTY layout the way they did that continues to be an advantage worth preserving in word-processing computer keyboards." If you think of this like a Paradox question, the tension we had in our minds was Given that ... we don't need to slow people's typing down any more, because the technological limitations of typewriters don't exist on electronic keyboards, Why is it that ... we still have the same keyboard layout? The correct answer actually answered this question. It gave us a previously unestablished reason why we would keep the slower layout even though we don't have to worry about the mechanical problem of typing too fast. This incorrect answer choice is just Explaining the Background. It's giving more details on why the technological limitations have vanished (we've moved over to computers / word-processors now). But we need an answer to tell us why they kept the slower layout, not that they kept the slower layout.

  3. Too Wishy-Washy11% picked this

    The standard keyboard allows skilled operators to achieve considerable typing speeds, though it makes acquiring

    This answer starts to have a logical counter — "We kept the old layout because you can actually still go really fast with it (it doesn't limit typing speed that much)", but then it undermines the force of that by saying "although it is hard to get good enough to be fast while using this traditional layout". Bernard would still be asking, "why, then, would we intentionally keep a design that slows you down, unless you train long enough to be fast at it?"

  4. Unclear Impact4% picked this

    A person who has learned one keyboard layout can readily learn to use a second one in place of the first, but only with

    If we thought we'd be asking people to use both QWERTY and some more modern, speed-conducive layout in their lives (the new one alongside the old one), then this answer provides a reason not to switch to the new layout. But why do we need to save the original one at all, or assume that people would need to learn use a second one alongside the old one? In a world where people just switch from the old layout to the new layout, this answer helps Bernard's case. Bernard would still be asking, "Why haven't we switched to the second, faster layout, given that a person who learned the old one can readily learn to use the new one instead?"

  5. Too Weak7% picked this

    It is now possible to construct typewriters and word-processing equipment in which a single keyboard can accommodate two or even more different keyboard layouts,

    Too Weak: it is possible Unclear Impact It's not clear whether any of these new "choose your layout" keyboards actually exist. This only tells us it's possible to construct them. If they do exist, does anyone have or use them? The gist of the conversation is that the world is still, in general, using the traditional QWERTY layout, and Bernard can't understand why we'd still be using a layout that (Cora claims) was designed to slow us down.

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