Logical ReasoningDifficulty: Hard

PT102 S3 Q5 Explanation

Adults who work outside the home

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

TopicsParadox

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Stimulus

Adults who work outside the home spend, on average, 100 minutes less time each week in preparing dinner than adults who do not work outside the home. But, contrary to expectation, comparisons show that the dinners eaten at home by the two groups of nutritional value, variety of menus, or number of courses.

What this question is testing

Paradox

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

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

The question
5.

Which one of the following, if true, most helps to resolve the apparent discrepancy in

Answer choices

  1. No Impact8% picked this

    The fat content of the dinners eaten at home by adults who do not work outside the home is 25 percent

    We already were told that the meals eaten are comparable between both groups, so this means that the dinners eaten at home by the outside-workers are also 25 % higher in terms of fat content (since they have similar nutritional value). But this hasn't done anything to clarify why they end up with similar meals, despite different prep time.

  2. Out of Scope: breakfast6% picked this

    Adults who do not work outside the home tend to prepare breakfast more often than adults who

    This paragraph was strictly about how much time was used on dinner vs. the types of dinners eaten. Breakfast is out of scope.

  3. Reiterates Paradox15% picked this

    Adults who work outside the home spend 2 hours less time per day on all household responsibilities, including dinner preparation, than do adults who

    This really has no impact, since it just reminds us that the outside-worker people have less time to do house stuff, which we already knew. We're wondering how they overcome that deficit and end up with comparable meals.

  4. Correct60% picked this

    Adults who work outside the home eat dinner at home 20 percent less often than do adults who do

    Why this is right

    The surprising claim is worded carefully: "the dinners eaten at home don't differ that much". That doesn't mean the number of dinners is comparable. It's more of a conditional thought, that "IF they both eat at home, the dinners are comparable." Let's say that the outside-workers have two dinners out each week. If each of those dinners would have taken about 50 mins to prep, then that accounts for the 100 fewer minutes these people have spent preparing dinner than the home-workers. For all the remaining meals, the outside-workers and home-workers are spending the same amount of time, so we would expect comparable meals.

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

  5. Deepens Paradox11% picked this

    Adults who work outside the home are less likely to plan dinner menus well in advance than are adults who do

    Someone with less time for cooking AND less of an advanced plan, is more likely to compromise nutritional value / variety / complexity. This makes us even more surprised that the outside-workers eat comparable dinners to the home-workers.

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