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Matthias Ziegler

Researcher at Humboldt University of Berlin

Publications -  194
Citations -  5235

Matthias Ziegler is an academic researcher from Humboldt University of Berlin. The author has contributed to research in topics: Personality & Big Five personality traits. The author has an hindex of 31, co-authored 177 publications receiving 4125 citations. Previous affiliations of Matthias Ziegler include Ludwig Maximilian University of Munich & Humboldt State University.

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Is It Really Robust

TL;DR: In this article, Monte Carlo methods are used to demonstrate the robustness of the analysis of variance (ANOVA) concerning violation of the normality assumption. But, the authors do not consider the effect sizes of the samples.
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Masking misfit in confirmatory factor analysis by increasing unique variances: a cautionary note on the usefulness of cutoff values of fit indices.

TL;DR: Using data simulation, the authors illustrate how the value of the chi-square test, the root-mean-square error of approximation, and the standardized root- mean-square residual are decreased when unique variances are increased although model misspecification is present.
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Short Scales – Five Misunderstandings and Ways to Overcome Them

TL;DR: A special issue of the Journal of Individual Differences (JID) as mentioned in this paper brought together a variety of researchers who have approached the topic of short scales from different angles, and resolved some misunderstandings and open questions regarding the construction, psychometric quality and use of short scale by bringing together methodological, statistical, and constructionoriented perspectives.
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Openness, fluid intelligence, and crystallized intelligence: Toward an integrative model

TL;DR: In this article, a model integrating the results and providing a theoretical framework and outlook is proposed to analyze the relationship between Openness, fluid intelligence, and crystallized intelligence (Gc).