Alexander Robitzsch
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Explore the profile of Alexander Robitzsch including associated specialties, affiliations and a list of published articles.
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35
Citations
326
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Recent Articles
1.
Grund S, Ludtke O, Robitzsch A
Psychol Methods
. 2024 Sep;
PMID: 39347773
Multiple imputation (MI) is one of the most popular methods for handling missing data in psychological research. However, many imputation approaches are poorly equipped to handle a large number of...
2.
Robitzsch A
Eur J Investig Health Psychol Educ
. 2023 Oct;
13(10):2150-2159.
PMID: 37887152
In a recent paper, the first version of the contemporary psychometrics (ConPsy) checklist for assessing measurement tool quality has been published. This checklist aims to provide guidelines and references to...
3.
Robitzsch A
J Intell
. 2023 Sep;
11(9).
PMID: 37754904
Local structural equation models (LSEM) are structural equation models that study model parameters as a function of a moderator. This article reviews and extends LSEM estimation methods and discusses the...
4.
Grund S, Ludtke O, Robitzsch A
Psychol Methods
. 2023 Apr;
28(5):1207-1221.
PMID: 37104764
Likelihood ratio tests (LRTs) are a popular tool for comparing statistical models. However, missing data are also common in empirical research, and multiple imputation (MI) is often used to deal...
5.
Using synthetic data to improve the reproducibility of statistical results in psychological research
Grund S, Ludtke O, Robitzsch A
Psychol Methods
. 2022 Aug;
29(4):789-806.
PMID: 35925728
In recent years, psychological research has faced a credibility crisis, and open data are often regarded as an important step toward a more reproducible psychological science. However, privacy concerns are...
6.
Robitzsch A
Eur J Investig Health Psychol Educ
. 2022 Jul;
12(7):731-753.
PMID: 35877454
In educational large-scale assessment (LSA) studies such as PISA, item response theory (IRT) scaling models summarize students' performance on cognitive test items across countries. This article investigates the impact of...
7.
Robitzsch A
Entropy (Basel)
. 2022 Jun;
24(6).
PMID: 35741481
In educational large-scale assessment studies such as PISA, item response theory (IRT) models are used to summarize students' performance on cognitive test items across countries. In this article, the impact...
8.
Ludtke O, Robitzsch A, Ulitzsch E
Multivariate Behav Res
. 2022 Mar;
58(3):560-579.
PMID: 35294313
The bivariate Stable Trait, AutoRegressive Trait, and State (STARTS) model provides a general approach for estimating reciprocal effects between constructs over time. However, previous research has shown that this model...
9.
Robitzsch A
Eur J Investig Health Psychol Educ
. 2021 Dec;
11(4):1653-1687.
PMID: 34940395
Missing item responses are prevalent in educational large-scale assessment studies such as the programme for international student assessment (PISA). The current operational practice scores missing item responses as wrong, but...
10.
Ulitzsch E, Ludtke O, Robitzsch A
Psychol Methods
. 2021 Dec;
28(3):527-557.
PMID: 34928675
Small sample structural equation modeling (SEM) may exhibit serious estimation problems, such as failure to converge, inadmissible solutions, and unstable parameter estimates. A vast literature has compared the performance of...