Which of the following is considered the highest level of evidence?
A) Randomized controlled trials
B) Clinical expertise
C) Nonresearch evidence
D) Case studies

Question

Quizplus · Accepted Answer

Randomized controlled trials are considered the highest level of evidence because they involve a rigorous study design with random assignment and a control group, which helps to minimize bias and confounding variables. Clinical expertise, nonresearch evidence, and case studies are all lower levels of evidence.

Which of the Following Is Considered the Highest Level of Evidence