According to a meta-analysis of treatment studies, the average person who received treatment was better off than _____ percent of the untreated control subjects.

A) 10
B) 35
C) 50
D) 75

Meta-analysis

A statistical technique for analyzing the results of multiple studies to derive a comprehensive conclusion.

Treatment Studies

These are research studies focused on evaluating the effectiveness and side effects of medical treatments.

Untreated Control

A control group in an experimental study that does not receive the intervention or treatment being tested, used for comparison.