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Direct linkDebeer, Dries; Janssen, Rianne – Journal of Educational Measurement, 2013
Changing the order of items between alternate test forms to prevent copying and to enhance test security is a common practice in achievement testing. However, these changes in item order may affect item and test characteristics. Several procedures have been proposed for studying these item-order effects. The present study explores the use of…
Descriptors: Item Response Theory, Test Items, Test Format, Models
Oravecz, Zita; Tuerlinckx, Francis; Vandekerckhove, Joachim – Psychological Methods, 2011
In this article a continuous-time stochastic model (the Ornstein-Uhlenbeck process) is presented to model the perpetually altering states of the core affect, which is a 2-dimensional concept underlying all our affective experiences. The process model that we propose can account for the temporal changes in core affect on the latent level. The key…
Descriptors: Individual Differences, Calculus, Models, Investigations
Peer reviewedTroubleyn, Katrien; And Others – Computer Assisted Language Learning, 1996
Discusses the development of the Adaptive Testing Linguistic Achievement Significance (ATLAS) test used to evaluate second language proficiency of Belgian civil servants. Notes that testers encountered various problems caused by the complexity of language, the difference in background of the candidates and the absence of official objective test…
Descriptors: Computer Assisted Testing, Computer Software, Foreign Countries, Government Employees
