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Research Staff

DRC|CTB employs dozens of research professionals, psychometricians, statisticians, and educational measurement specialists. Meet a few of our senior staff members here.


Dr. Keith Boughton
Research Scientist

Keith Boughton, Ph.D., is a Senior Research Scientist. Dr. Boughton works as the lead Research Scientist for Test Assessing Secondary Completion (TASC), DRC|CTB's test for high school equivalency. In this role, he provides psychometric leadership to product managers, content experts, and software engineers who work to implement the TASC assessment system across the country.

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Dr. Dong-In Kim
Research Scientist

Dong-In Kim, Ph.D., is a Senior Research Scientist. Among other responsibilities, he serves as the lead Research Scientist for Indiana Statewide Testing for Educational Progress-Plus (ISTEP+). As part of these projects, Dr. Kim leads teams of research associates and statistical analysts to plan and implement large-scale student assessments, and to analyze and report the data collected by these assessments.

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Dr. Joanna Tomkowicz
Research Scientist

Joanna Tomkowicz, Ph.D., is a Senior Research Scientist. She is the lead Research Scientist on the statewide summative and interim assessments in Missouri. She also serves as a secondary Research Scientist for LAS Links assessments for English language learners.

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Featured Researcher

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Dr. Keith Boughton

Keith Boughton, Ph.D., is a Senior Research Scientist. Dr. Boughton works as the lead Research Scientist for Test Assessing Secondary Completion (TASC), DRC|CTB's test for high school equivalency. In this role, he provides psychometric leadership to product managers, content experts, and software engineers who work to implement the TASC assessment system across the country.

Learn more about this researcher »

Understanding Assessment

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The Learning Cycle

DRC|CTB supports educators and students
throughout the learning process.

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