Tweede vervolgonderzoek Mathijssen-Sonnemans cohort, 1952-1993 : Brabant-data

Determination of relations between intelligence, social background, school career and occupation, level of occupation and income on the basis of a survey held in 1952 ( by the...本研究基于1952年开展的一项调查（由……发起），对智力水平、社会背景、学业生涯与职业、职业层级及收入之间的关联关系进行测定。