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, ...

A review of 76 studies reveals that research largely supports the validity and reliability of isokinetic strength testing of older patients with stroke, but few data are available that provide ...

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 ...