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 ...

The 'Statement on Statistical Significance and P-Values' includes six principles underlying the proper use and interpretation of the p-value and is intended to improve the conduct and interpretation ...

The pursuit of science is designed to search for significance in a maze of data. At least, that’s how it’s supposed to work. To support or refute a hypothesis, the goal is to establish statistical ...

Statistical significance is a critical concept in data analysis and research. In essence, it’s a measure that allows researchers to assess whether the results of an experiment or study are due to ...

In statistical practice P-values are regularly used to express the amount of evidence in the data, but there is no agreement on how to compute two-sided P-values when the sampling distributions are ...

This week, The American Statistician published a special issue, "Statistical Inference in the 21st Century: A World Beyond p < 0.05," which includes 43 new papers by leading statisticians. The ...

Your editorial “The FDA Returns to Its Bad Habits” (Feb. 21) explains, “Reata’s p-value was 0.014, which means there was a 1.4% chance that its positive result was a fluke.” A related, true statement ...