Studies have shown that peppermint odor increases people's mental sharpness, especially when they solve problems. Which best describes how this could be a valid scientific claim?

A. It is tested in a controlled setting with repeated results.
B. The test is published on Wikipedia.
C. The scientist was previously peer-reviewed.
D. The math problems are easy problems.



Answer :

Final answer:

A valid scientific claim is supported by controlled testing and repeated results.


Explanation:

The claim that peppermint odor increases mental sharpness, especially in problem-solving, can be considered a valid scientific claim because it was tested in a controlled setting with repeated results. Studies conducted, like those by The Smell & Taste Treatment and Research Foundation, followed scientific protocols to ensure reliability and validity.


Learn more about scientific research validity here:

https://brainly.com/question/43897288