New AASM-developed questionnaire offers a validated, quick-to-use method for tracking patient-reported outcomes in obstructive sleep apnea care.| Sleep Review
The word “standardized” conjures memories of high-stakes tests. In the context of UX research, when we talk of standardization, we’re often referring to standardized questionnaires. Standardized questionnaires have gone through the process of psychometric validation. That means the items being used have gone through dozens or hundreds of possible variations, and the final versions are […]| MeasuringU
Celebrate Mom with this free Mother's Day questionnaire. There are 12 silly questions to answer about Mom. Expect a good laugh and a few sweet answers.| Mrs. Merry
Sample size estimation is an important part of study planning. If the sample size is too small, the study will be underpowered, meaning it will be incapable of detecting sufficiently small differences as statistically significant. If the sample size is too large, the study will be inefficient and cost more than necessary.| MeasuringU