Failure to follow this basic principle of population science -- a common complaint about research in the cognitive sciences -- can profoundly skew the results of brain imaging studies, leading to ...

Statistics are often estimated from a sample rather than from the entire population. If the inclusion probability of the sample is unknown to the researcher, that is, a nonprobability sample, naively ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...

Learn about self-enhancement, a bias by which individuals overvalue their own successes. Discover its implications, examples, ...

If you've already experienced a bad stock falling from a company you've liked, you've experienced how confirmation bias affects investment choices.