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PADI-SE was supported by the U.S. Department of Education under Grant No. R324A070035. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the U.S. Department of Education.

Principal Investigators
PADI-SE was led by Co-Principal Investigators, Geneva Haertel (Center for Technology in Learning, SRI International) and Robert Mislevy (Department of Measurement, Statistics, and Evaluation at the University of Maryland).


The Center for Technology in Learning's (CTL) mission is improving learning and teaching through innovation and inquiry in computing and communication. SRI International, a nonprofit research institute, is a pioneer in the creation and application of innovative solutions for governments, businesses, foundations, and other organization.

University of Maryland EDMS The Department of Measurement, Statistics and Evaluation (EDMS) at the University of Maryland is one of the nation's best programs in quantitative methods.

CAST was founded in 1984 as the Center for Applied Special Technology. CAST has earned international recognition for its development of innovative, technology-based educational resources and strategies based on the principles of Universal Design for Learning (UDL).
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Friends and Associates
Various support services are provided by our friends and associates.
Code Guild Codeguild offers expert services to help clients design and implement powerful, scalable, appropriate solutions. Services include conceptual design and technology strategy, database schema and API specification, and web application design and implementation. Codeguild supplied design and implementation services to PADI-SE.
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