Read e-book online Bayesian Networks in Educational Assessment PDF

By Russell G. Almond, Robert J. Mislevy, Linda S. Steinberg, Duanli Yan, David M. Williamson

ISBN-10: 149392124X

ISBN-13: 9781493921249

ISBN-10: 1493921258

ISBN-13: 9781493921256

Bayesian inference networks, a synthesis of records and professional structures, have complicated reasoning less than uncertainty in drugs, enterprise, and social sciences. This cutting edge quantity is the 1st complete remedy exploring how they are often utilized to layout and research leading edge academic assessments.
Part I develops Bayes nets’ foundations in overview, records, and graph thought, and works throughout the real-time updating set of rules. half II addresses parametric kinds to be used with evaluate, model-checking options, and estimation with the EM set of rules and Markov chain Monte Carlo (MCMC). a distinct characteristic is the volume’s grounding in Evidence-Centered layout (ECD) framework for review layout. This “design ahead” technique permits designers to take complete good thing about Bayes nets’ modularity and talent to version complicated evidentiary relationships that come up from functionality in interactive, technology-rich checks corresponding to simulations. half III describes ECD, situates Bayes nets as an indispensable component to a principled layout method, and illustrates the information with an in-depth examine the BioMass venture: An interactive, standards-based, web-delivered demonstration evaluation of technology inquiry in genetics.
This ebook is either a source for execs attracted to review and complicated scholars. Its transparent exposition, worked-through numerical examples, and demonstrations from actual and didactic functions offer worthy illustrations of the way to take advantage of Bayes nets in academic evaluation. workouts persist with each one bankruptcy, and the net better half website presents a word list, facts units and challenge setups, and hyperlinks to computational assets.

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Additional info for Bayesian Networks in Educational Assessment

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320 Approximating Dirichlet priors from posterior means and standard deviations for π 31 . . . . . . . . . . . . . . . . 322 Response pattern counts for online calibration . . . . . . . . 323 Average parameter values from initial and Online calibrations . 1 Actual and predicted outcomes for the hypothetical medical licensure exam. . . . . . . . . . . . . . . . . . . . . . 2 Logarithmic scores for ten student outcome vectors . . . .

By using probabilities to represent the examiner’s uncertain state of knowledge about an examinee’s proficiency variables, Bayesian networks can represent the theory of the domain, modeling complex relationships among proficiency variables. Bayesian networks can model quite complex relationships between observable and proficiency variables. These evidence models allow us to update our knowledge about a student’s proficiency as more evidences (in the form of observations from tasks) arrive. The Bayesian network tracks our state of knowledge about a particular student.

Other methods may share some of the properties, but the combination offered by Bayes nets is unique. 1. ” When built using evidence-centered design, each level of each proficiency variable in a Bayes net is associated with one or more ECD claims. Thus, the natural score report provides the probability that the claim holds. This is exactly the kind of information that test users need to make instructional planning decisions. It suggests that using the Bayes nets as a part of an artificial intelligence planning system would make a powerful engine for an intelligent tutoring system.

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Bayesian Networks in Educational Assessment by Russell G. Almond, Robert J. Mislevy, Linda S. Steinberg, Duanli Yan, David M. Williamson

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