There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

A study published in Neurology calls into question the validity of a quality measure that measures 30-day risk-adjusted stroke mortality. The measure is currently being developed for use under ...

Experts demanded verification of data and methods used in a study of drugs to treat Covid-19. The study suggested the drugs might have increased deaths. By Roni Caryn Rabin More than 100 scientists ...

An online survey created as a resource for critical care nurses to assess the health of the work environment is a valid and reliable tool for use by interprofessional patient care teams throughout ...

It’s not an exaggeration to say that functional MRI has revolutionized the field of neuroscience. Neuroscientists use MRI machines to pick up changes in blood flow that occur when different areas of ...

Objective: The Agency for Healthcare Research and Quality Patient Safety Indicator (PSI) 10, "Postoperative Physiologic and Metabolic Derangement" (PPMD), uses administrative data to detect ...

A spokesperson for Google reached out with an official statement and a discussion about why the Pew research findings do not reflect actual user interaction patterns related to AI summaries and ...