Theorists

Robert Thorndike – 1910 1990

A comprehensive academic biography and scholarly evaluation of Robert Ladd Thorndike (1910–1990), pioneer of psychometrics...

November 8, 2026 • Dr. Mohammed Looti
Theorists

Elizabeth Hagen – 1915 2008

A scholarly examination of Elizabeth Hagen (1915–2008), exploring her foundational contributions to psychometrics, educational testing,...

October 9, 2026 • Dr. Mohammed Looti