An investigator wanted to determine the efficacy of aquatic exercise on knee osteoarthritis. The investigator pooled the subjects from four different randomized controlled trials and analyzed the results. This type of study would be considered a:
A) Systematic review
B) Meta-analysis
C) Clinical practice guideline
D) Randomized controlled trial

Question

Quizplus · Accepted Answer

A meta-analysis involves statistically combining the results of several studies that address a set of related research hypotheses, which is what the investigator did by pooling subjects from different randomized controlled trials to analyze the results collectively.

An Investigator Wanted to Determine the Efficacy of Aquatic Exercise