Logical Reasoning

PT146 · S1 · Q9 In a recent field study of prairie

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In a recent field study of prairie plants, the more plant species a prairie plot had, the more vigorously the plants grew and the better the soil retained nutrients.

Your task

Describe the reasoning error the argument actually commits.

Common trap

Answers that name a real logical flaw the argument doesn't actually make.

Winning move

Articulate the gap in the reasoning yourself, then match it to the choice that describes that gap.

9.

The argument is most vulnerable to criticism on the grounds that it

  1. Correct

    infers of two correlated phenomena,

    Why this is right

    Answer A is correct.

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

    90% picked this

  2. fails to describe the mechanism

    Trap

    2% picked this

  3. takes for granted that the

    Trap

    4% picked this

  4. bases a general conclusion on

    Trap

    3% picked this

  5. takes an increase in number

    Trap

    2% picked this

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