Download PDF by Russell G. Almond, Robert J. Mislevy, Linda S. Steinberg,: Bayesian Networks in Educational Assessment

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

Bayesian inference networks, a synthesis of facts and professional structures, have complicated reasoning less than uncertainty in drugs, company, and social sciences. This cutting edge quantity is the 1st accomplished therapy exploring how they are often utilized to layout and study leading edge academic assessments.
Part I develops Bayes nets’ foundations in overview, records, and graph conception, and works throughout the real-time updating set of rules. half II addresses parametric varieties to be used with review, model-checking concepts, and estimation with the EM set of rules and Markov chain Monte Carlo (MCMC). a special characteristic is the volume’s grounding in Evidence-Centered layout (ECD) framework for review layout. This “design ahead” strategy allows designers to take complete good thing about Bayes nets’ modularity and skill to version complicated evidentiary relationships that come up from functionality in interactive, technology-rich tests similar to simulations. half III describes ECD, situates Bayes nets as an essential element of a principled layout method, and illustrates the tips with an in-depth examine the BioMass undertaking: An interactive, standards-based, web-delivered demonstration evaluation of technology inquiry in genetics.
This publication is either a source for pros drawn to evaluate and complex scholars. Its transparent exposition, worked-through numerical examples, and demonstrations from actual and didactic purposes offer worthwhile illustrations of ways to exploit Bayes nets in academic review. routines persist with every one bankruptcy, and the net spouse website presents a word list, information units and challenge setups, and hyperlinks to computational assets.

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An expert/novice study of hydraulics mechanics revealed that experts drew on a number of troubleshooting strategies that they could bring to bear on problems (Steinberg and Gitomer 1996). For example, they might employ a test to determine whether the problem was in the beginning or end of a series of components that all had to work for a flap to move when a lever was pulled. This strategy is called “space splitting” because it splits the problem space into two parts (Newell and Simon 1972). HYDRIVE was designed to capture information not only about whether or not the mechanic correctly identified and repaired the problem, but also about the degree to which the mechanic employed efficient strategies to solve the problem.

469 Confusion matrix for binary proficiency and observable . . . . 1 . 1 . . . . . . . . . . . 1 . . . . . . . . . . . 483 Three-way table of two observables given proficiency variable . 484 Three-way table of two observables given marginal proficiency . 485 Calculation of expected weight of evidence . . . . . . . . . . 4 . . . . . . . . . . . . . . . . . . 502 Ten randomly selected entries from a set of pretest data . . . . 502 Expected accuracy matrix for two experimental tasks .

556 Initial conditional distributions for observable 1 of Task 2 . . . 558 Initial conditional probability distributions for all three observables of Task 3 . . . . . . . . . . . . . . . . . . . 559 Initial conditional distribution for observable 1 of Task 4 . . . 560 Summary statistics of parameter prior distributions . . . . . . 562 Observed responses . . . . . . . . . . . . . . . . . . . . 564 Summary statistics of prior and posterior population parameter distributions .

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