Logical ReasoningDifficulty: Easy

PT115 S4 Q13 Explanation

Nearly every criminal trial includes

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

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Stimulus

Nearly every criminal trial includes eyewitness testimony, and cognitive psychologists have hypothesized that misidentification by eyewitnesses is a common in criminal trials.

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
13.

Each of the following, if true, supports the cognitive psychologists’

Answer choices

  1. Supports8% picked this

    Eyewitnesses’ reports are the most common reason

    This adds plausibility to the idea that if there were a mistaken eyewitness identification within a trial, it could have a big impact on whether or not that misidentified person gets convicted. Apparently, it's incredibly common for an eyewitness identification to be the major reason for conviction.

  2. Supports1% picked this

    In most crimes, eyewitnesses have seen the perpetrator only briefly, and people are generally poor at remembering the faces of people

    This adds plausibility to the idea that there will be mistaken identifications. Eyewitnesses who see a crime usually don't see enough of the perpetrator's face to get a stable memory of that person.

  3. Supports2% picked this

    The shock of witnessing a crime makes it likely that a witness’s memory of the perpetrator’s

    This adds plausibility to the idea that there will be mistaken identifications. Eyewitnesses who see a crime are so shocked that it interferes with their ability to get a stable, accurate memory of that person's face..

  4. Correct82% picked this

    Judges often instruct juries about those circumstances under which testimony of

    Why this is right

    This doesn't give any support for the idea that misidentification is common, nor does it help show that a bad identification could lead to a wrongful conviction. We might say this answer has Mixed Impact. The fact that judges often warn juries about the potential fallibility of the eyewitness identification supports the idea that mistaken identification is a common enough thing that judges know to talk about it. But ... the fact that judges warn against trusting that sort of testimony would make it less likely that mistaken eyewitness testimony would lead to a wrongful conviction. The jurors would be like, "The eyewitness did say that she saw Mr. X at the scene of the crime. But, we shouldn't convict based on that since the judge warned us that this eyewitness identification could be incorrect."

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

  5. Supports7% picked this

    Jurors are very likely to believe eyewitnesses who appear confident, and unreliable witnesses usually

    This adds plausibility to the idea that mistaken identifications. could lead to mistaken convictions. When people are misidentifying, they are often very confident, which leads jurors to trust them (and thus believe them when deliberating on whether to convict).

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