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 ...

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 ...

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 ...