Poorly designed questions and scaling problems can derail your research efforts faster than you can say "the cat in the hat"! To help you avoid a few of the more common and onerous problems, we will ...

A Rating Matrix allows you to have a series of items down the side and a rating scale across the top of a grid of radio buttons. One rating is allowed per item. This type of question is often used to ...

If you suspect you or your child might have attention deficit hyperactivity disorder (ADHD), your doctor has several ways to make a diagnosis. One is an ADHD rating scale, which measures symptoms like ...

The geriatric depression scale is a self-reported screening survey to help detect depression in older adults. There’s a short version with 15 questions and a long version with 30. The geriatric ...