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Padilla, Jose Luis; Hidalgo, M. Dolores; Benitez, Isabel; Gomez-Benito, Juana – Psicologica: International Journal of Methodology and Experimental Psychology, 2012
The analysis of differential item functioning (DIF) examines whether item responses differ according to characteristics such as language and ethnicity, when people with matching ability levels respond differently to the items. This analysis can be performed by calculating various statistics, one of the most important being the Mantel-Haenszel,…
Descriptors: Foreign Countries, Test Bias, Computer Software, Computer Software Evaluation
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Usener, Claus A.; Majchrzak, Tim A.; Kuchen, Herbert – Interactive Technology and Smart Education, 2012
Purpose: To overcome the high manual effort of assessments for teaching personnel, e-assessment systems are used to assess students using information systems (IS). The purpose of this paper is to propose an extension of EASy, a system for e-assessment of exercises that require higher-order cognitive skills. The latest module allows assessing…
Descriptors: Foreign Countries, Computer Software, Computer Software Evaluation, Computer Assisted Testing
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Penedo, Janaina Rodrigues; Diniz, Morganna; Ferreira, Simone Bacellar Leal; Silveira, Denis S.; Capra, Eliane – Interactive Technology and Smart Education, 2012
Purpose: The purpose of this paper is to analyze the usability of a remote learning system in its initial development phase, using a quantitative usability evaluation method through Markov models. Design/methodology/approach: The paper opted for an exploratory study. The data of interest of the research correspond to the possible accesses of users…
Descriptors: Markov Processes, Evaluation Methods, Probability, Evaluation Research
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Yen, Yung-Chin; Ho, Rong-Guey; Chen, Li-Ju; Chou, Kun-Yi; Chen, Yan-Lin – Educational Technology & Society, 2010
The purpose of this study was to examine whether the efficiency, precision, and validity of computerized adaptive testing (CAT) could be improved by assessing confidence differences in knowledge that examinees possessed. We proposed a novel polytomous CAT model called the confidence-weighting computerized adaptive testing (CWCAT), which combined a…
Descriptors: Foreign Countries, English (Second Language), Second Language Learning, Item Response Theory
Tomaiuolo, Nicholas G.; Packer, Joan G. – Computers in Libraries, 1996
Describes a study of the retrieval results of World Wide Web search engines. Research quantified accurate matches versus matches of arguable quality for 200 subjects relevant to undergraduate curricula. Both "evaluative" engines (Magellan, Point Communications) and "nonevaluative" engines (Lycos, InfoSeek, AltaVista) were…
Descriptors: Automatic Indexing, Comparative Analysis, Computer Software Evaluation, Evaluation Research