Bayes' theorem is a statistical formula used to calculate conditional probability. Learn how it works, how to calculate it ...

After years of confusion, a new study confirms the proton is tinier than once thought. That enables a test of the standard model of particle physics.

A psychological assessment test often used to evaluate psychopathy in Canadian criminal cases is unreliable and prone to unconscious bias on the part of expert witnesses, according to research from ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. By 1930, psychologists not only ...

Milestone articles have highlighted the frequency and types of statistical errors in research,1–5 yet fundamental errors persist across various disciplines. With a background in biostatistics and over ...

Introduction: The purpose of this study was to develop and validate the Pictorial Values Recognition Test (PVRT), a visual-based measurement tool designed to assess middle school students’ ability to ...

Editor’s Note: This post is focused on helping you understand profit and loss statements. This financial statement is used by most small business owners to help assess business profits and losses ...

Plasma measures of phosphorylated tau217 (p-tau217) can accurately identify individuals in the preclinical stage of Alzheimer’s disease (AD), a new meta-analysis showed. The results are important ...

Earnings over $24,480 (2026) before full retirement age reduces Social Security benefits. Claimed Social Security early; half of earnings above the threshold are withheld. Benefits recalculated at ...

I was looking over the week’s posts on Hackaday – it’s part of my job after all – and this gem caught my eye: a post about how to make your own RP2040 development board from scratch. And I’ll admit ...

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 ...

What rules does the Trump administration’s new naturalization test change regarding the questions immigrants must answer? The U.S. Citizenship and Immigration Services (USCIS) issued an alert on ...