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Direct linkHumburg, Martin; van der Velden, Rolf – Studies in Higher Education, 2015
In this paper an analysis is carried out whether objective tests and subjective self-assessments in international large-scale studies yield similar results when looking at cross-national differences in the effects of skills on earnings, and skills patterns across countries, fields of study and gender. The findings indicate that subjective skills…
Descriptors: Objective Tests, Correlation, Self Evaluation (Individuals), Prediction
Peer reviewedvan Buuren, Stef; van Rijckevorsel, Jan L. A. – Psychometrika, 1992
A technique is presented to transform incomplete categorical data into complete data by imputing appropriate scores into missing cells. A solution of the optimization problem is suggested, and relevant psychometric theory is discussed. The average correlation should be at least 0.50 before the method becomes practical. (SLD)
Descriptors: Classification, Computer Simulation, Correlation, Equations (Mathematics)
