John H.A.L. de Jong (original) (raw)

Dr. John H.A.L. de Jong (born 22 June 1947, The Hague) graduated in General Linguistics, French and English languages from Leiden University and obtained a Ph.D. in Educational Measurement from Twente University. He has published numerous articles and books on language acquisition and assessment and on educational measurement. He is specialized in the empirical scaling of language proficiency and promotes the development of internationally standardized reporting scales of language proficiency. He was involved from the start in developing the Common European Framework of Reference for Languages.