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Robert Keller
Robert Keller has spent ten years as an operational psychometrician in K-12 education. His primary duties in that role included performing most of the test scaling and equating for large-scale state-wide assessments for purposes of No Child Left Behind accountability systems. In addition to this, Dr. Keller was the product owner of the computer adaptive testing engine being developed for the next generation test delivery system that was simultaneously under development, as well as systems to automate, streamline, and manage data for analyzing large scale testing programs. In addition to these tasks, he has been actively engaged in research, published in peer reviewed journals, presented at national conferences, and in support of high stakes testing contracts, in the areas of scaling, equating, computer adaptive testing, and growth modeling. Dr. Keller is a member of the National Council of Measurement in Education, American Educational Research Association, and the Psychometric Society. He serves as a peer reviewer for several journals including the Journal of Educational Measurement, Applied Psychological Measurement, and the International Journal of Testing.
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