Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The "alien mothership" hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of ...

Fifty years ago, when the ACNP was first convened, it was an exciting time for new treatment development in psychiatry. In schizophrenia, a new era of treatment was ushered by the fortuitous finding ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

Chris Jericho is no longer in his 'prime', but he is convinced that he still has something to do with this business and has no intention of retiring anytime soon. As everyone knows, his current ...

How ANOVA helps ensure process data lead to accurate, defensible decisions. The two-sample t-test determines if two population means are equal. Typical applications involve testing whether a new ...

It really makes our job more challenging when otherwise reasonable medical journals publish pseudoscientific nonsense. The ...