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, ...

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 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 ...