With two different risky assets, an investor can minimize total portfolio volatility through the combination of investments with low to negative correlation. In a higher yield environment, 60/40 can ...

There are a lot of SEO studies out there, but not all of them are made equal. Here's how to decide if X is really affected by Y, or merely a coincidence. Every so often the SEO community will erupt ...

Most of us have heard the phrase "correlation does not equal causation." But understanding how scientists move beyond identifying correlations to establish causation remains a mystery to many. Finding ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. I usually focus on something a ...

A comment posted by a reader on a recent post reprimanded me for suggesting that marijuana caused relationships to go bad. In this instance the reader was mistaken, as I had specifically used the word ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. If trying to assess the risks and benefits of various foods, behavior ...

Statisticians remind us that correlation does not imply causation. While the Dow Jones Average may be inversely correlated with the length of women’s skirts, fashion designers cannot impact the market ...

After reading Dalton Conley’s piece on recent developments in social-science research (“The Data in Your Lap: How to Interpret Naturally Occurring Experiments,” The Review, December 19), I can only ...

Kovach v. Wheeling & Lake Erie Ry. Co., No. 3:18-CV-02826-JGC, 2021 WL 3774900 (N.D. Ohio Aug. 25, 2021) encourages defense attorneys to challenge experts with tactics other than Daubert, as the court ...