HMS, HAG EQ-Bank 41 MC

A health website claims a new herbal supplement can "boost immunity by 300%" based on a single study involving 20 participants over 2 weeks. Which factor MOST significantly undermines the accuracy of this health claim?

The small sample size and short duration limit the reliability of findings
The study uses herbal ingredients rather than pharmaceutical drugs
The website doesn't include testimonials from satisfied customers
The study was conducted recently rather than several years ago

Show Answers Only

\(A\)

Show Worked Solution

A is correct: Small sample size and brief duration indicate insufficient evidence for broad claims.

Other Options:

B is incorrect: Herbal ingredients can be scientifically studied with valid methodologies.
C is incorrect: Testimonials are less reliable than scientific evidence for accuracy assessment.
D is incorrect: Recent studies can provide valid evidence if methodology is sound.