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**1 - 2**of**2**### Incorporating Learning Over Time into the Cognitive Assessment Framework

, 2010

"... We propose a variety of models for incorporating learning over time into the cognitive assessment modeling framework. In two of the models, we use Item Response Theory (IRT; VanDerLinden and Hambleton 1997) where we assume that a continuous latent parameter measures a studentâ€™s general proficiency i ..."

Abstract
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We propose a variety of models for incorporating learning over time into the cognitive assessment modeling framework. In two of the models, we use Item Response Theory (IRT; VanDerLinden and Hambleton 1997) where we assume that a continuous latent parameter measures a studentâ€™s general proficiency in the area of interest. In the other two models, we use Cognitive Diagnosis Models (CDMs; Rupp and Templin 2008) where we estimate whether students possess a set of skills as the latent student parameter. In all four models, we assume that students take multiple exams in the same content area over a period of time and that at each time point, we are interested in tracking their learning. Therefore, the models consider what the students knew at the previous time point when estimating their current knowledge. With this information, we believe we can make better predictions about end of year, high-stakes exam scores and inform teachers of areas where students are struggling. We may also be able to compare different methods of teaching to find ones that most promote learning and make some statements about the true rate and variability with which students learn which could help teachers, researchers, and policy makers set more realistic goals for students. Each model is discussed both empirically and mathematically. In a simulation study of one model, the parameters describing student learning were recovered with 94.6 % accuracy. 1 1

### Secretary Office of Educational Technology

, 2012

"... the U.S. Department of Education is intended or should be inferred. ..."