Theorists
Charles Spearman – 1863 1945
A comprehensive academic examination of Charles Spearman (1863–1945), pioneer of psychometrics, developer of factor analysis,...
# Charles Spearman
3 results
Theories
Factor Theory – Charles Spearman
A comprehensive academic analysis of Charles Spearman's Factor Theory of intelligence, exploring the g factor,...
September 6, 2026
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Dr. Mohammed Looti
Theories
Classical Test Theory (True Score Theory) – Charles Spearman & Harold Gulliksen
A comprehensive academic analysis of Classical Test Theory, exploring its mathematical foundations, axiomatic assumptions, and...
September 5, 2026
•
Dr. Mohammed Looti