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John H. A. L. de Jong

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The Construct of Language Proficiency Applications of psychological models to language assessment
Individualizing the Assessment of Language Abilities
Standardization in Language Testing
Indiv Assesmt Langu Abilit Cl (Multilingual Matters, 59)
Defining a Variable of Foreign Language Ability An Application of Item Response Theory
The Construct of Language Proficiency Applications of Psychological Models to Language Assessment
The Construct of Language Proficiency Applications of Psychological Models to Language Assessment