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The most important thing to consider about scientific theories is whether they are testable and falsifiable. A theory is testable if it can be tested through experimentation or observation. A theory is falsifiable if it can be proven false through experimentation or observation. If a theory is not testable or falsifiable, then it is not a scientific theory. However, this does not mean that a theory is wrong or useless. For example, the theory of relativity is testable and falsifiable, but it has not been proven false. It is also not testable or falsifiable, but it is also not a scientific theory. Instead, it is a philosophical theory.

SAT · English · previous-year question

  1. A.Scientific theories must be testable and falsifiable in order to be considered valid.correct
  2. B.The theory of relativity is a testable and falsifiable scientific theory that has not been proven false.
  3. C.Philosophical theories are not testable or falsifiable, but they can still be valuable.
  4. D.Scientific theories are different from philosophical theories in that they are testable and falsifiable.

Answer

A. Scientific theories must be testable and falsifiable in order to be considered valid.

Explanation

The passage emphasizes the importance of testability and falsifiability for scientific theories. It explains that a theory must be able to be tested and potentially proven false through observation or experimentation in order to be considered a valid scientific theory.

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