Pew Research Center’s survey on international knowledge covers facts about global leaders, international institutions and geography, among other topics. The following criteria are used to evaluate how ...

In the emergency room, health care providers can diagnose a traumatic brain injury (TBI) by using clinical scales, like the Glasgow Coma Scale, to measure the patient's ability to open their eyes, ...

The Wong-Baker Faces Pain Rating scale is a self-assessment tool that helps communication about physical pain. It uses a combination of faces, numbers, and words, providing multiple ways for a person ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center has a long history measuring the public’s knowledge about ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do smart scales work, and how accurate are they? When you purchase through links on our site, we ...