Results 1 to 10 of about 2,264,558 (236)

An Analysis of Differential Bundle Functioning in Multidimensional Tests Using the SIBTEST Procedure

open access: yesInternational Journal of Assessment Tools in Education, 2022
This study aims to analyze the differential bundle functioning in multi-dimensional tests with a specific purpose to detect this effect through differentiating the location of the item with DIF in the test, the correlation between the dimensions, the ...
Hülya Kelecioğlu, Didem Özdoğan
doaj   +6 more sources

Understanding the Country's Underachievement in International Assessment: Differential Item and Bundle Functioning Approach

open access: yesCadmo, 2016
In educational context, Differential Item Functioning (Dif) and Differential Bundle Functioning (Dbf) are usually used in assessing item bias. In present study, it is demonstrated how results of Dif and Dbf analyses can help in better understanding the reasons behind one country’s underachievement in international assessments. In Timss 2011 mathematics
Šabić, Josip
exaly   +3 more sources

Functional Differentiation of Bundle Sheath and Mesophyll Maize Chloroplasts Determined by Comparative Proteomics [PDF]

open access: yesThe Plant Cell, 2005
Abstract Chloroplasts of maize (Zea mays) leaves differentiate into specific bundle sheath (BS) and mesophyll (M) types to accommodate C4 photosynthesis. Consequences for other plastid functions are not well understood but are addressed here through a quantitative comparative proteome analysis of purified M and BS chloroplast stroma ...
Wojciech, Majeran   +3 more
openaire   +2 more sources

An Investigation of Item Bias of English Test: The Case of 2016 Year Undergraduate Placement Exam in Turkey

open access: yesInternational Journal of Assessment Tools in Education, 2019
Thepurpose of this study is to determine whether English test items ofUndergraduate Placement Exam (UPE) in 2016 containdifferential item functioning (DIF) and differential bundle functioning (DBF)in terms of gender and school type and examine the ...
Rabia Akcan, Kübra Atalay Kabasakal
doaj   +1 more source

Characterizing Regulatory and Functional Differentiation between Maize Mesophyll and Bundle Sheath Cells by Transcriptomic Analysis     [PDF]

open access: yesPlant Physiology, 2012
Abstract To study the regulatory and functional differentiation between the mesophyll (M) and bundle sheath (BS) cells of maize (Zea mays), we isolated large quantities of highly homogeneous M and BS cells from newly matured second leaves for transcriptome profiling by RNA sequencing.
Yao-Ming, Chang   +11 more
openaire   +2 more sources

Validation of a mobility item bank for older patients in primary care

open access: yesHealth and Quality of Life Outcomes, 2012
Background To develop and validate an item bank to measure mobility in older people in primary care and to analyse differential item functioning (DIF) and differential bundle functioning (DBF) by sex.
Cabrero-García Julio   +5 more
doaj   +1 more source

Differential Performance on National Exams

open access: yesSAGE Open, 2016
The purpose of this study is to evaluate two methodological perspectives of test fairness using a national Secondary School Certificate (SSC) examinations.
Syed Latifi   +4 more
doaj   +1 more source

Differential Bundle Functioning of National Examinations Council Mathematics Test Items: An Exploratory Structural Equation Modelling Approach

open access: yesEğitimde ve Psikolojide Ölçme ve Değerlendirme Dergisi, 2023
A differential bundle function (DBF) is a situation in which examinees who are of the same ability but are from different groups are required to answer groups of items differently. DBF undermines the validity of the instrument if inadequately considered.
Oluwaseyi OPESEMOWO   +3 more
openaire   +2 more sources

Differential gene expression and transport functionality in the bundle sheath versus mesophyll – a potential role in leaf mineral homeostasis [PDF]

open access: yesJournal of Experimental Botany, 2017
Under fluctuating ambient conditions, the ability of plants to maintain hydromineral homeostasis requires the tight control of long distance transport. This includes the control of radial transport within leaves, from veins to mesophyll. The bundle sheath is a structure that tightly wraps around leaf vasculature.
Noa Wigoda   +5 more
openaire   +2 more sources

The differential impact of intraventricular and interventricular dyssynchrony on left ventricular remodeling and function in patients with isolated left bundle branch block [PDF]

open access: yesJournal of Cardiovascular Magnetic Resonance, 2012
Interventricular dyssynchrony evaluated with cardiac magnetic resonance is an independent predictor of systolic dysfunction and left ventricular remodeling while intraventricular dyssynchrony is an independent predictor of LV diastolic dysfunction in patients with isolated LBBB. Comprehensive evaluation of both these parameters of dyssynchrony would be
Valenti Valentina   +7 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy