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Item Response Theory2
Models2
Problem Solving2
Simulation2
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Cognitive Measurement1
Guessing (Tests)1
Learning Processes1
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Psychometrika2
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Anselmi, Pasquale1
Cohen, Allan S.1
De Boeck, Paul1
Goegebeur, Yuri1
Robusto, Egidio1
Stefanutti, Luca1
Wollack, James A.1
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Uncovering the Best Skill Multimap by Constraining the Error Probabilities of the Gain-Loss Model
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Anselmi, Pasquale; Robusto, Egidio; Stefanutti, Luca – Psychometrika, 2012
The Gain-Loss model is a probabilistic skill multimap model for assessing learning processes. In practical applications, more than one skill multimap could be plausible, while none corresponds to the true one. The article investigates whether constraining the error probabilities is a way of uncovering the best skill assignment among a number of…
Descriptors: Item Response Theory, Learning Processes, Simulation, Probability
A Speeded Item Response Model with Gradual Process Change
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Goegebeur, Yuri; De Boeck, Paul; Wollack, James A.; Cohen, Allan S. – Psychometrika, 2008
An item response theory model for dealing with test speededness is proposed. The model consists of two random processes, a problem solving process and a random guessing process, with the random guessing gradually taking over from the problem solving process. The involved change point and change rate are considered random parameters in order to…
Descriptors: Problem Solving, Item Response Theory, Models, Case Studies