Concepedia

Norman D. Verhelst

ND

27

Publications

1.4K

Citations

19

H-Index

1985

Active since

Affiliations

Cito (Netherlands)(Current)

National Institute for Education

KU Leuven

Leiden University

Norman D. Verhelst is an author at Cito (Netherlands) specializing in statistics, engineering, and education.

Top concepts

Publications per year

1985–2011

27

Publications

27

Modeling Item Responses When Different Subjects Employ Different Solution Strategies

Robert J. Mislevy, Norman D. Verhelst · Psychometrika · 1990 · 301 citations

Maximum Likelihood Estimation in Generalized Rasch Models

Jan de Leeuw, Norman D. Verhelst · Journal of Educational Statistics · 1986 · 125 citations

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Relating language examinations to the common European framework of reference for languages: learning, teaching, assessment (CEFR): a manual

Neus Figueras, Brian North, Sauli Takala et al. · Ghent University Academic Bibliography (Ghent University) · 2009 · 120 citations · Full text

, , +13

A Dynamic Generalization of the Rasch Model

Norman D. Verhelst, Cees A. W. Glas · Psychometrika · 1993 · 78 citations

Extensions of the Partial Credit Model

Cees A. W. Glas, Norman D. Verhelst · Psychometrika · 1989 · 75 citations

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