Results 71 to 80 of about 20,299,108 (307)
An item response model for the experimental design
The Japanese journal of psychology, 2003 In recent years, we see many examples of applying item response theory to psychological questionnaires. There are various conditions under which psychological tests are administered. Often, we are interested in the subjects' latent traits in the context of experimental design.
openaire +2 more sources
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
FEBS Letters, EarlyView.Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley +1 more source
Item response models to measure corporate social responsibility [PDF]
Applied Financial Economics, 2014 Corporate Social Responsibility (CSR) is a multidimensional con-\ud cept that involves several aspects, ranging from Environment, to Social\ud and Governance. Companies aiming to comply with CSR standards\ud have to face challenges that vary from one aspect to the other and\ud from one industry to the other.
NICOLOSI, MARCO +2 more
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FEBS Letters, EarlyView.Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura +2 more
wiley +1 more source
The Estimation of Item Response Models with the lmer Function from the lme4 Package in R [PDF]
In this paper we elaborate on the potential of the lmer function from the lme4 package in R for item response (IRT) modeling. In line with the package, an IRT framework is described based on generalized linear mixed modeling. The aspects of the framework
Ivailo Partchev +6 more
core
An Item Response Theory Approach to the Maintenance of Standards in Public Examinations in England [PDF]
, 2011 Every year outcomes from public examinations in the UK rise: politicians congratulate pupils on their hard earned achievement; the media questions whether this achievement is real; those responsible for administrating the examinations defend their ...
WHEADON, CHRISTOPHER,BRIAN +1 more
core
The human gut microbiome across the life course
FEBS Letters, EarlyView.Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero +4 more
wiley +1 more source
Modelagem multidimensional para mensurar qualidade em website de e-commerce utilizando a teoria da resposta ao item [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Produção, Florianópolis, 2012.O presente trabalho tem por objetivo construir uma modelagem multidimensional para medir a qualidade ...
Tezza, Rafael
core
Comparing Different Specifications of Mean–Geometric Mean Linking
FoundationsMean–geometric mean (MGM) linking compares group differences on a latent variable θ within the two-parameter logistic (2PL) item response theory model.
Alexander Robitzsch
doaj +1 more source
FEBS Letters, EarlyView.We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace +6 more
wiley +1 more source