Theorists

John Loehlin – 1926 2020

A comprehensive academic examination of John C. Loehlin's life, foundational research in behavior genetics, structural...

November 6, 2026 • Dr. Mohammed Looti
Theorists

John L. Horn – 1938 2006

A comprehensive academic examination of John L. Horn (1938–2006), his development of Gf-Gc theory, and...

November 6, 2026 • Dr. Mohammed Looti
Theorists

John Exner – 1928 2006

A comprehensive academic examination of John E. Exner Jr. (1928–2006), architect of the Rorschach Comprehensive...

November 1, 2026 • Dr. Mohammed Looti
Theorists

John C. Raven – 1902 1970

A comprehensive academic examination of John C. Raven (1902–1970), developer of the Progressive Matrices and...

October 31, 2026 • Dr. Mohammed Looti
Dictionary

Anxiety State: The Science of Acute Dread

An anxiety state is an acute, transitory emotional episode characterized by apprehension, tension, and sympathetic...

October 31, 2026 • Dr. Mohammed Looti
Theorists

John B. Carroll – 1916 2003

An exhaustive academic treatise examining the life, psychometric theories, and methodological innovations of John Bissell...

October 30, 2026 • Dr. Mohammed Looti
Dictionary

Antonym Test: Assessing Verbal Cognition

Explore the antonym test: a foundational psychometric instrument assessing verbal intelligence, semantic organization, and executive...

October 30, 2026 • Dr. Mohammed Looti
Theorists

James Flynn – 1934 2020

A comprehensive academic analysis of the life, psychometric theories, philosophical contributions, and legacy of political...

October 29, 2026 • Dr. Mohammed Looti
Theorists

James McKeen Cattell – 1860 1944

A comprehensive academic analysis of James McKeen Cattell (1860–1944), pioneer of psychometrics, mental testing, and...

October 23, 2026 • Dr. Mohammed Looti