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 ...

Validity testing in neuropsychological assessment is a critical component that ensures the accuracy and interpretability of test outcomes. By examining both performance and response patterns, ...

The intersection of educational technology and content validity in health education underscores the necessity for rigorous instrument development and evaluation to support effective learning and ...

A new paper published in The Gerontologist provides the most comprehensive scientific response to date addressing recent critiques of the so-called "Blue Zones," regions of the world known for ...