Logical Reasoning

PT130 · S3 · Q9 Typically, people who have diets

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Typically, people who have diets high in saturated fat have an increased risk of heart disease.

Evidence

Typically, people who have diets high in saturated fat have an increased risk of heart disease.

Those who replace saturated fat in their diets with unsaturated fat decrease their risk of heart disease.

Conclusion

Therefore, people who eat a lot of saturated fat can lower their risk of heart disease by increasing their intake of unsaturated fat.

Evaluate

The trigger in the conclusion (increasing the intake of unsaturated fat) is only half of the trigger in the evidence (replace saturated fat with unsaturated fat). The argument assumes that those who increase their consumption of unsaturated fat also reduce their consumption of saturated fat.

9.

Which one of the following, if assumed, most helps to justify the reasoning above?

  1. Correct

    People who add unsaturated fat

    Why this is right

    This presents the argument’s assumption.

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

    82% picked this

  2. Adding unsaturated fat to a

    Out of Scope

    Other health benefits are not relevant to the argument.

    4% picked this

  3. Diet is the most important

    Supports a Premise

    This supports the argument’s premise, but not the argument’s reasoning, since the premise is assumed to be true in the first place.

    12% picked this

  4. Taking steps to prevent heart

    Out of Scope

    Life expectancy is not relevant to this argument.

    1% picked this

  5. It is difficult to move

    Out of Scope

    The difficulty of transitioning from one diet to another is not relevant to the argument. Nor does the argument recommend to move to a diet that includes very little fat. In fact the conclusion advocates to increase one’s consumption of unsaturated fat.

    1% picked this

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