What is the "file-drawer problem?" and how does it affect the conclusions drawn from a meta-analysis?

Question

Quizplus · Accepted Answer

The Answer is The file-drawer problem refers to the idea that studies have been conducted that are not published; they are in people's file drawers. It is likely that these studies are ones that do not find a sex difference. Thus, the overall effect may be biased by the omission of these non-published studies.

What Is the "File-Drawer Problem?" and How Does It Affect