In most cases, a single scientific study, a small study, or a case study…
A) Can yield strong evidence of cause and effect
B) Cannot prove very much
C) Can prove that a medical treatment works
D) Are superior to double-blind trials

Question

Quizplus · Accepted Answer

A single scientific study, especially if it's small or a case study, typically cannot prove very much on its own. It may suggest hypotheses or provide preliminary evidence, but broader, more robust studies are needed to establish strong evidence of cause and effect or the efficacy of medical treatments.

In Most Cases, a Single Scientific Study, a Small Study