Some types of pain affect cognitive ability, including number sense, and yet some tools to assess pain use numerical scales. A recent study sought to determine if number sense is altered in patients ...

Pain scales are tools for people to describe the level of pain they experience. Healthcare workers can also use pain scale charts to assess patients. There are several different pain scales, each with ...

The general concept of a regional scale developed from the application of atmospheric pollution models to predict or diagnose air quality over air sheds. The regional scale is proposed to be the β- ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. You’re probably familiar with surveys that ask you to rate yourself on a scale ...