Logical Reasoning

PT4 · S4 · Q9 A scientific theory is a good theory

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A scientific theory is a good theory if it satisfies two requirements: It must accurately describe a large class of observations in terms of a model that is simple enough to contain only a few elements, and it must make definite predictions about the results of future observations.

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.

9.

If all the statements in the passage are true, each of the following must also be true except:

  1. Prediction about the results of

    Trap

    7% picked this

  2. Correct

    Observation of physical phenomena was

    Why this is right

    Answer B is correct.

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

    70% picked this

  3. Four elements can be the

    Trap

    3% picked this

  4. A scientific model that contains

    Trap

    17% picked this

  5. Aristotle’s cosmological theory described a

    Trap

    3% picked this

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