Results 71 to 80 of about 367,195 (301)

A unified factor-analytic approach to the detection of item and test bias: Illustration with the effect of providing calculators to students with dyscalculia [PDF]

Tutorials in Quantitative Methods for Psychology, 2016
An absence of measurement bias against distinct groups is a prerequisite for the use of a given psychological instrument in scientific research or high-stakes assessment.
Lee, M. K., Lee, J. J., Wells, C. S., Sireci, S. G.   +3 more
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye, Chimezie Okwuonu, Evelyn Idam, Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Zinnah Aloziem, Blossom Amamchukwu, Patience Elimia, Mkpoikanabasi Obot‐Obot, Henry Mbakwe, Praises Maduagwuna, Olatunji Akinrodoye, Chiamaka Anyanwu, Benjamin Anyanwu, Adedamola Akinsiku, Oluwatoyin A. Akinsiku, Muzamil O. Hassan, Fatiu A. Arogundade, Olalekan E. Ojo, Homayemem Weli, Jesupelumi Adenihun, Aderemi Adelaja, Ebun Bamgboye, Olalekan Olatise, Ade E. Faponle, Ayoola Odeyemi, Michael Muoka, Stephen Asaolu, Qudrat Busari, Blessing Dawudu, Michael Naiyeju, Rasheed A. Balogun   +33 more
wiley   +1 more source

Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)

BMC Musculoskeletal Disorders, 2012
Background The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) is a widely used patient reported outcome in osteoarthritis. An important, but frequently overlooked, aspect of validating health outcome measures is to establish if ...
Pollard Beth, Johnston Marie, Dixon Diane   +2 more
doaj   +1 more source

Item Bias in a Test of Reading Comprehension [PDF]

Applied Psychological Measurement, 1981
The possibility that certain features of items on a reading comprehension test may lead to biased esti mates of the reading achievement of particular sub groups of students was investigated. Eight nonover lapping subgroups of students were defined by the combinations of three factors: student grade level (fifth or sixth), income level of the ...
Linn, Robert L., Levine, Michael V., Hastings, C. Nicholas, Wardrop, James L.   +3 more
openaire   +2 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Psychometric properties of the WBIS/-M in a representative prebariatric sample – evidence for an improved 10-item version

Obesity Facts
Introduction The Weight Bias Internalization Scale and the Modified Weight Bias Internalization Scale are well-established self-report questionnaires for assessing weight bias internalization, which is widespread among bariatric patients.
Simon Schraven, Claudia Hübner, Janina Eichler, Thomas Mansfeld, Johannes Sander, Florian Seyfried, Stefan Kaiser, Arne Dietrich, Ricarda Schmidt, Anja Hilbert   +9 more
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

FEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil, Anna Corrà, Annalisa Scapolatiello, Chengxiang Qiu, Gianluca Amadei   +4 more
wiley   +1 more source

Estimasi True Score pada Second Order Unidimensional Data: Sebuah Studi Simulasi Monte Carlo Tentang Dampak Panjang Tes, Tingkat Kesukaran dan Daya Pembeda Item

Jurnal Pengukuran Psikologi dan Pendidikan Indonesia, 2019
Tujuan penelitian ini adalah untuk mengetahui apakah terdapat perbedaan atau bias pada data unidimensional second order namun sering diperlakukan sebagai unidimensional hanya pada tingkat pertama atau first order, serta mengetahui sejauh mana pengaruh ...
Puti Febrayosi
doaj   +1 more source

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, Basak Bahcivanci, Antonietta Hayhoe, Animesh Acharjee, Ezgi Özkurt   +4 more
wiley   +1 more source

The interaction between unit and item nonresponse in view of the reverse cooperation continuum [PDF]

The paper addresses two questions. First, is item nonresponse (INR) a precursor of panel attrition (UNR), as predicted by the theory of a latent cooperation continuum, or is the interrelation of another type?
Oliver Serfling
core