Logical ReasoningDifficulty: Hard

PT102 S2 Q4 Explanation

Advances in photocopying technology

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

TopicsStrengthen

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Stimulus

Advances in photocopying technology allow criminals with no printing expertise to counterfeit paper currency. One standard anticounterfeiting technique, microprinting, prints paper currency with tiny designs that cannot be photocopied distinctly. Although counterfeits of microprinted currency can be detected easily by experts, such counterfeits often circulate widely before being detected. An alternative, though to detect photocopied counterfeit currency easily, it should be adopted instead of microprinting, despite the expense.

What this question is testing

Strengthen

Your task

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

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes 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
4.

Which one of the following, if true, provides the most support for the recommendation made

Answer choices

  1. Correct69% picked this

    When an anticounterfeiting technique depends on the detection of counterfeits by experts, the cost of inspection by experts adds significantly to the

    Why this is right

    This elaborates on the negative of microprinting. Microprinting depends on detection of counterfeits by expert (we know that because counterfeits of this style usually circulate widely before being detected, meaning that regular non-experts don't notice that it's a fake and so the counterfeit bill gets used in lots of different transactions). If we have to pay those experts a lot of money to detect the fakes, then maybe microprinting isn't less costly overall. Said another way, this answer is taking the one advantage that microprinting supposedly had (less costly) and watering down that advantage a lot, since the money we have to pay for the experts significantly adds to the societal cost of that method.

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

  2. No Distinction, No Impact8% picked this

    For any anticounterfeiting technique to be effective, the existence of anticounterfeiting techniques should be widely broadcast, but the method by which counterfeits

    As soon as we see "for any counterfeiting technique to be effective", we should start suspecting this answer won't help us. We don't want any general truth about counterfeiting techniques. We need a specific fact that makes us lean more towards colored ink and more away from microprinting.

  3. Weakens, if anything7% picked this

    The process of microprinting paper currency involves fewer steps than does the printing of paper currency

    This seems to describe a positive about microprinting (it takes the mint fewer steps to make it). We want negatives about microprinting or positives about colored ink.

  4. No Impact: past methods1% picked this

    Before photocopying technology existed, most counterfeits of paper currency were accomplished

    This historical footnote about counterfeiting in the days before photocopying existed is totally irrelevant to our present concern. Today, there are photocopiers. So given that, should we go with microprinting or colored ink? This answer offers us nothing to help inform that decision.

  5. Weakens, if anything15% picked this

    Many criminals do not have access to the advanced photocopiers that are needed to produce counterfeits of microprinted paper currency that

    This seems to describe a positive about microprinting (a lot of criminals don't have access to the advanced photocopiers you would need to make a microprint counterfeit) We want negatives about microprinting or positives about colored ink.

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