The Rorschach test is a psychological test designed by psychiatrist Hermann Rorschach in the early 1900s. The test involves presenting a subject with images of inkblots; the person then describes what ...

A D-dimer test checks for certain proteins in the blood to rule out certain clotting disorders. (Photo credit: Science Photo Library/Getty Images) A D-dimer test is a blood test that can be used to ...

If you have built a new computer and wanted to test it, or if you need to identify hardware faults on your existing system, you will want to consider subjecting your computer to a PC Stress Test. A PC ...

Diabetes test strips are an easy way to test your blood sugar, aka your glucose levels. This is important for people with diabetes. The strips work with glucose meters to “read” your blood sugar ...

In the remote work era, reliable Wi-Fi is a must. From testing network performance to locating nearby connectivity, these are six of the best speed test apps to consider. A speedy and stable internet ...

If you’re experiencing a sluggish internet connection, it’s probably time to check the speed. We’ll show you several ways to measure the speed of your internet connection using on-board tools in ...

Standardized, repeatable testing is central to all of the 1,500-plus reviews we publish annually. Here's how we test every laptop that hits the bench at PC Labs using 24 different benchmarks. From the ...

If it seems like everyone in your run club is talking about VO2 max these days, we wouldn’t be surprised. This metric—which is essentially a measure of your cardio fitness—is a zeitgeisty topic, ...

A new approach to a routine blood test could predict a person’s 30-year risk of heart disease, research published Saturday in the New England Journal of Medicine found. Subscribe to read this story ad ...

The Food and Drug Administration on Monday approved Guardant Health’s blood test, called Shield, to screen for colon cancer. The test isn't meant to replace colonoscopies, but is generating enthusiasm ...

The Mann-Whitney U Test, also known as the Wilcoxon Rank Sum Test, is a non-parametric statistical test used to compare two samples or groups. The Mann-Whitney U Test assesses whether two sampled ...

Try these tests to evaluate your strength and cardiovascular fitness. Credit... Supported by By Hilary Achauer Photographs by Ashley Barker How do you know if you are fit? Or, at least, fit enough?