Suppose we find that there is a correlation between illegal drug use and suicide.By itself, this would not prove that illegal drug use causes suicide, because there could be a confounding variable.What is the most likely candidate?

Question

Quizplus · Accepted Answer

Depression is a common confounding variable in the relationship between illegal drug use and suicide. Depression is a known risk factor for suicide and is also linked to drug abuse. Therefore, it is possible that the correlation between drug use and suicide is actually due to the influence of depression.

Suppose We Find That There Is a Correlation Between Illegal