A new Wharton study explains why stock returns aren’t random. Correlation neglect causes market overreaction, momentum, and reversals investors consistently misprice.

The ratable accrual method is a formula for determining income on investments as it's accrued rather than paid and is often used for income tax purposes.

A brief, calorie-restricted diet centered almost entirely on oats led to a surprisingly strong and lasting reduction in cholesterol in people with metabolic syndrome. A very short dietary intervention ...

The “one big breakthrough” pattern suggests that total citation counts can mislead. A researcher with one highly-cited paper and several uncited ones may have a more impactful trajectory than one with ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

Many healthcare providers feel that UPIC audits often fall short, with flawed sampling and extrapolation techniques that dramatically exaggerate overpayment findings, exposing providers to undue ...

One of the coolest things about generative AI models — both large language models (LLMs) and diffusion-based image generators — is that they are "non-deterministic." That is, despite their reputation ...

In 1969, a now-iconic commercial first popped the question, “How many licks does it take to get to the Tootsie Roll center of a Tootsie Pop?” This deceptively simple line in a 30-second script managed ...

Online data has the potential to transform how researchers and companies produce election forecasts. Social media surveys, online panels, and even comments scraped from the internet can offer valuable ...

As a general rule, one thing you should definitely not do is start typing random symptoms you might be experiencing into Google Search or, say, an AI chatbox. If you’re concerned that something might ...