Language aptitude, intelligence, and second-language achievement.

The Varimax Criterion for Analytic Rotation in Factor Analysis

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

Education, Educational Measurement, Item Response Theory +15

Motivational variables in second-language acquisition.

R. C. Gardner, Wallace E. Lambert · Canadian Journal of Psychology/Revue Canadienne de Psychologie · 1959 · 1.7K citations · Full text

Language Studies, Educational Psychology, Second Language Studies +14

The Prediction of Success in Intensive Foreign Language Training.

John B. Carroll · 1964 · 230 citations

Language Studies, Foreign Languages, Second Language Studies +6

A Factor Analysis of Two Foreign Language Aptiude Batteries

John B. Carroll · The Journal of General Psychology · 1958 · 70 citations

Social Sciences, Foreign Languages, Psychology +6

Developmental Aspects of Second-Language Acquisition: I. Associational Fluency, Stimulus Provocativeness, and Word-Order Influence

Wallace E. Lambert · The Journal of Social Psychology · 1956 · 39 citations

Language Studies, Linguistics, Second Language Studies +14