Results 71 to 80 of about 4,433,555 (304)
Impact of differential item functioning on item model fit using concurrent equating method
Large-scale Assessments in EducationThis study aimed to evaluate the item model fit by equating the forms of the PISA 2018 mathematics subtest with concurrent common items equating in samples from Türkiye, the UK, and Italy.
Zeynep Uzun, Tuncay Öğretmen
doaj +1 more source
Revista Facultad Nacional de Salud Pública, 2019 Improving Katz index interpretability contributes to a better understanding of its results facilitating decision making and intervention planning. Objective: To evaluate the validity of the Katz geriatric scale in senior citizens from a Rasch model ...
Diego Fernando Rojas-Gualdrón +4 more
doaj +1 more source
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
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
anchors: Software for Anchoring Vignette Data
Journal of Statistical Software, 2011 When respondents use the ordinal response categories of standard survey questions in different ways, the validity of analyses based on the resulting data can be biased.
Jonathan Wand, Gary King, Olivia Lau
doaj
Differential Item Functioning of the region-based national examination equipment
REID (Research and Evaluation in Education)This research aims to detect Differential Item Functioning (DIF) in the 2014/2015 National Examination Questions in mathematics of junior high schools and equivalent-level schools in the Yogyakarta region as a reference group and the South Kalimantan ...
Adi Setiawan +3 more
doaj +1 more source
Assessing Differential Item Functioning on the Test of Relational Reasoning
Frontiers in Education, 2018 The test of relational reasoning (TORR) is designed to assess the ability to identify complex patterns within visuospatial stimuli. The TORR is designed for use in school and university settings, and therefore, its measurement invariance across diverse ...
Denis Dumas, Patricia Alexander
doaj +1 more source
FEBS Letters, EarlyView.Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure +3 more
wiley +1 more source
Differential Item Functioning: Current Issues [PDF]
, 2005 This study describes current issues of differential item functioning (DIF) used by psychometricians and test specialists to identify item fairness across members of different subgroups such as males and females. First, the definition of DIF was discussed,
Park, Gi-Pyo
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