LSAT 4 | Section 4 | Logical Reasoning: Q9

LR Question 9 Explanation

QUESTION TEXT: A scientific theory is a good theory if it satisfies…

QUESTION TYPE: Must be True – Exception

ANALYSIS: We know two things about any good scientific theory.

It describes a large class of observations in a simple model that contains only a few elements.

It makes definite predictions about future observations.

___________

1. Yes, this is the second condition.
2. CORRECT. This doesn’t have to be true. Aristotle may have observed phenomena, yet not made predictions.
3. Yes. The stimulus tells us that Aristotle’s theory satisfied the first element.
4. Right. A scientific model has to contain only a few elements.
5. His theory met the first requirement, so this has to be true. It was the four elements part of his theory that met the first requirement.

Recap: The question begins with “A scientific theory is a good theory if it satisfies”. It is a Must be True question. Learn how to master LSAT MBT questions on the LSAT Logical Reasoning question types page.