P values indicate how incompatible the observed data may be with a null hypothesis; “P<0.05” implies that a treatment effect or exposure association larger than that observed would occur less than 5% ...

Here’s a good idea for the next presidential candidate debate: They can insult each other about their ignorance of statistics. Actually, it’s a pertinent topic for political office seekers, as public ...

In the middle of the 20 th century, the field of psychology had a problem. In the wake of the Manhattan Project and in the early days of the space race, the so-called “hard sciences” were producing ...

If you believe The Economist, science is in the midst of a crisis, with most of its conclusions failing to stand the test of time. Research fraud is rising, but even studies that were performed ...