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 ...

The increasing diversity of students in contemporary classrooms and the concomitant increase in large-scale testing programs highlight the importance of developing writing assessment programs that are ...

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 ...

This is a preview. Log in through your library . Abstract This study aimed to test the convergent validity and test–retest reliability of a measure of happiness questionnaire; the authentic happiness ...