Results 241 to 250 of about 144,353 (287)

A Group Fit Statistic for the Multilevel Item Response Model

Journal of Educational Measurement, Volume 63, Issue 1, Spring 2026.
Abstract Aberrant behaviors among test‐takers in large‐scale assessments are often more prevalent within specific groups or testing sites. While various techniques have been developed to detect individual‐level test‐takers' aberrant behaviors, research in detecting those behaviors at the group level is rare. We propose a group fit statistic lz2$ l_{z2}$
Yishan Ding, Ji Seung Yang, Youngjin Han
wiley   +1 more source

Validation of the Bengali version of the Caregiver Collusion Questionnaire: A tool for measuring collusion among caregivers of terminally ill patients. [PDF]

SAGE Open Med
Biswas J, Afsar N, Khanam SA, Sarker SR, Tauhid S, Islam N.   +5 more
europepmc   +1 more source

Simultaneous Detection of Compromised Items and Examinees with Item Preknowledge in Online Assessments Using Response Time Data

Journal of Educational Measurement, Volume 63, Issue 1, Spring 2026.
Abstract The rapid transition from traditional paper‐and‐pencil tests to computer‐based testing systems has significantly altered the educational landscape, particularly during the COVID‐19 pandemic. While online assessments offer numerous advantages, they also present unique challenges, with test security being paramount.
Cengiz Zopluoglu
wiley   +1 more source

Minimizing Computation and Communication Costs of Two-Sided Secure Distributed Matrix Multiplication under Arbitrary Collusion Pattern. [PDF]

Entropy (Basel)
Li J, Liu N, Kang W.
europepmc   +1 more source

Endogenous Competition Strategies With R&D in a Vertically Mixed Market Under Forward Passive Ownership

The Manchester School, Volume 94, Issue 2, Page 234-248, March 2026.
ABSTRACT This study examines endogenous choices of competition strategies in a vertically related mixed market in which an integrated public firm and a downstream firm, subject to forward passive ownership (FPO) by an input supplier, may engage in R&D investment.
Lili Xu, Yidan Zhang, Sang‐Ho Lee
wiley   +1 more source

GDM-DTM: A Group Decision-Making-Enabled Dynamic Trust Management Method for Malicious Node Detection in Low-Altitude UAV Networks. [PDF]

Sensors (Basel)
Hu Y, Gan Y, Wu H, Wang C, Ma M, Xiong C.   +5 more
europepmc   +1 more source

Four Dimensions of Presidential Leadership: Rethinking Nelson Mandela's Presidency

Presidential Studies Quarterly, Volume 56, Issue 1, March 2026.
ABSTRACT This article applies a four‐dimensional analytical framework to re‐evaluate Nelson Mandela's presidency (1994–1999). The framework distinguishes tensions and synergies across four key domains of leadership: executive and symbolic, party and state, international and domestic, and formal versus informal.
Anthony Butler
wiley   +1 more source

Test Security and the Pandemic: Comparison of Test Center and Online Proctor Delivery Modalities. [PDF]

Appl Psychol Meas
Becker KA, Liu J, Jones PE.
europepmc   +1 more source

Creative Destruction or Just a Reshuffle? Turnover Among Businesses and Jobs in South Africa

South African Journal of Economics, Volume 94, Issue 1, March 2026.
ABSTRACT The concept of creative destruction emphasizes how the turnover of businesses and workers drives innovation, productivity gains and aggregate economic growth, even as individual firms and employees experience disruption. This article leverages administrative tax data for South Africa that measures flows rather than stocks, enabling a dynamic ...
Justin Visagie, Ivan Turok, Andrew Nell
wiley   +1 more source