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 ...

Bradford D. Winters, Aamir Bharmal, Renee F. Wilson, Allen Zhang, Lilly Engineer, Deidre Defoe, Eric B. Bass, Sydney Dy and Peter J. Pronovost Background: The Agency for Health Care Research and ...