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

Home bias leads investors to favor domestic stocks, often ignoring the advantages of global diversification. Learn how this ...

Conducting a survey or a poll seems straightforward enough at first pass. Say, for example, you want to know the percentage of people in a population who like peanut butter and jelly sandwiches. You ...

The proportion of normal cells, especially immune cells, intermixed with cancerous cells in a given tissue sample may significantly skew the results of genetic analyses and other tests performed both ...

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 ...