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Liu, Zhongxiu – International Educational Data Mining Society, 2015
Data-driven methods have been a successful approach to generating hints for programming problems. However, the majority of previous studies are focused on procedural hints that aim at moving students to the next closest state to the solution. In this paper, I propose a data-driven method to generate remedy hints for BOTS, a game that teaches…
Descriptors: Programming, Educational Games, Puzzles, Problem Solving
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van der Maas, Han L. J.; Molenaar, Dylan; Maris, Gunter; Kievit, Rogier A.; Borsboom, Denny – Psychological Review, 2011
This article analyzes latent variable models from a cognitive psychology perspective. We start by discussing work by Tuerlinckx and De Boeck (2005), who proved that a diffusion model for 2-choice response processes entails a 2-parameter logistic item response theory (IRT) model for individual differences in the response data. Following this line…
Descriptors: Guessing (Tests), Psychometrics, Cognitive Psychology, Item Response Theory