Concept
Confirmatory factor analysis
Related publications (32)
A Geometric Unification of Distributionally Robust Covariance Estimators: Shrinking the Spectrum by Inflating the Ambiguity Set
Daniel Kuhn, Viet Anh Nguyen, Yves Rychener
The state-of-the-art methods for estimating high-dimensional covariance matrices all shrink the eigenvalues of the sample covariance matrix towards a data-insensitive shrinkage target. The underlying shrinkage transformation is either chosen heuristically ...
2024Weak correlations between visual abilities in healthy older adults, despite long-term performance stability
Michael Herzog, Simona Adele Garobbio
Using batteries of visual tests, most studies have found that there are only weak correlations between the performance levels of the tests. Factor analysis has confirmed these results. This means that a participant excelling in one test may rank low in ano ...
2024Diving into the heterogeneity of the visual system
Using batteries of visual tests, most studies have found that there are only weak correlations between performance levels of tests in healthy young adults. Factor analysis has confirmed these results. This means that a participant excelling in one test may ...
EPFL2024An Ordinal Latent Variable Model of Conflict Intensity
Measuring the intensity of events is crucial for monitoring and tracking armed conflict. Advances in automated event extraction have yielded massive data sets of '' who did what to whom '' micro-records that enable datadriven approaches to monitoring confl ...
Assoc Computational Linguistics-Acl2023The competent Computational Thinking test (cCTt): Development and validation of an unplugged Computational Thinking test for upper primary school
Francesco Mondada, Barbara Bruno, Laila Abdelsalam El-Hamamsy
With the increasing importance of Computational Thinking (CT) at all levels of education, it is essential to have valid and reliable assessments. Currently, there is a lack of such assessments in upper primary school. That is why we present the development ...
2022Negative Associations of Stress and Anxiety Levels With Cytotoxic and Regulatory Natural Killer Cell Frequency in Chronic Tinnitus
BackgroundDepression and anxiety are known to be associated with stress-induced changes in the immune system. Bothersome tinnitus can be related to stress and often co-occurs with depression and anxiety. This study investigates associations of psychologica ...
FRONTIERS MEDIA SA2022Covariance matrices for variance-suppressed simulations
Cosmological N-body simulations provide numerical predictions of the structure of the Universe against which to compare data from ongoing and future surveys, but the growing volume of the Universe mapped by surveys requires correspondingly lower statistica ...
OXFORD UNIV PRESS2022Assessing Computational Thinking: Development and Validation of the Algorithmic Thinking Test for Adults
Olivier Lévêque, Cécile Hardebolle, Marc Lafuente Martinez
This study describes the development and validation process of a computational thinking (CT) test for adults. The team designed a set of items and explored a subset of those through two qualitative pilots. Then, in order to provide validity evidence based ...
2022