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Bayesian Networks in Educational Assessment

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The Principled Assessment Design for Inquiry (PADI) project is a collaboration among SRI International, the University of Maryland, The University of California Berkeley, Lawrence Hall of Science, and the University of Michigan. The Principal Investigators are Geneva Haertel and Robert Mislevy. PADI is supported by the Interagency Educational Research Initiative (IERI) under grants REC-0089122 (PADI Planning Grant) and REC-0129331 (PADI Implementation Grant).

The PADI project aims to provide a practical, theory-based approach to developing quality assessments of science inquiry by combining developments in cognitive psychology and research on science inquiry with advances in measurement theory and technology.

PADI is a special case implementation of the evidence-centered assessment design (ECD) framework. The ECD framework explicates the interrelationships among substantive arguments, assessment designs, and operational processes. The specialization for PADI includes providing higher-level schemas that build in national science standards, limiting statistical models to the MRCMLM family developed by Mark Wilson and his colleagues, and providing supporting software tools for creating assessment designs within this framework.

The PADI homepage is .

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Page last modified on March 01, 2007, at 05:36 PM