Letty Koopman

Publication Activity (10 Years)

Years Active: 2019-2023
Publications (10 Years): 4

Top Topics

Electronic Health Record

Minimally Invasive

Top Venues

Applied psychological measurement

Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation

The British journal of mathematical and statistical psychology

University of Amsterdam

University of Amsterdam (MSC)

This page only lists publications with an associated author ORCID identifier.

Affiliation History

University of Amsterdam Nov 01 2016

Netherlands

Ph.D. student in scaling methods for multilevel test data :: Child Development and Education

Education History

University of Amsterdam Sep 01 2013 - Jul 31 2016

Netherlands

MSC :: Child Development and Education

Publications

L Andries van der Ark, Wicher P Bergsma, Letty Koopman
Maximum Augmented Empirical Likelihood Estimation of Categorical Marginal Models for Large Sparse Contingency Tables. Psychometrika (2023)
Letty Koopman, Bonne J H Zijlstra, L Andries van der Ark
A two-step, test-guided Mokken scale analysis, for nonclustered and clustered data. Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2021)
Letty Koopman, Bonne J H Zijlstra, L Andries van der Ark
Standard errors of two-level scalability coefficients. The British journal of mathematical and statistical psychology 73 (2) (2019)
Letty Koopman, Bonne J H Zijlstra, Mark de Rooij, L Andries van der Ark
Bias of Two-Level Scalability Coefficients and Their Standard Errors. Applied psychological measurement 44 (3) (2019)