The similarity of lower-case letters of the English alphabet

The Varimax Criterion for Analytic Rotation in Factor Analysis

Henry F. Kaiser · Psychometrika · 1958 · 7.6K citations

Education, Educational Measurement, Item Response Theory +15

A law of comparative judgment.

L. L. Thurstone · Psychological Review · 1927 · 5.2K citations

Law, Comparative Law, Comparative Jurisprudence +2

A developmental study of the discrimination of letter-like forms.

Eleanor P. Gibson, James J. Gibson, Anne D. Pick et al. · Journal of Comparative and Physiological Psychology · 1962 · 412 citations

Education, Educational Psychology, Psychology +13

A Study of the Confusing Letters B, D, P, and Q

H.P.B. Davidson · The Pedagogical Seminary and Journal of Genetic Psychology · 1935 · 109 citations

Language Studies, Behavioral Sciences, Linguistics +10

Reliability for the Law of Comparative Judgment

Harold Gulliksen, John W. Tukey · Psychometrika · 1958 · 85 citations

Law, Comparative Law, Comparative Legal Methodology +2