On December 18, 2025, U.S. Customs and Border Protection (CBP) announced an update to the Carrier Liaison Program (CLP), ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

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 ...

CTET & TET Validity Extension: National Council for Teacher Education (NCTE) has granted its approval to the extension of validity of CTET and TET Certificate to lifetime. Earlier, the Certificate of ...