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CTB Research

Our research staff is committed to maintaining the highest standards in developing and publishing assessments that serve the needs of every educator and student.

About CTB Research

We design and test every assessment to meet the highest standards of validity and reliability.
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Featured Research Topic

Sponsored Research

CTB supports leading research that answers important theoretical and practical questions to advance the quality of measurement and learning practices.
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Featured Best Practice

Use of Test-Related Instructional Materials

CTB receives frequent inquiries about its position regarding use of test-related instructional materials. This best practice presents that position.
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Research Spotlight

Senior Director of Research / Chief Psychometrician - Leadership Team

Seung Choi, Ph.D., is the Senior Director of Research. In this role, Dr. Choi oversees the Psychometric Services Department composed of researchers of diverse expertise for developing nationally standardized assessments and providing psychometric solutions and services to state and local education agencies for the design, implementation, and reporting of large-scale student assessment programs. Dr. Choi has a proven ability to develop innovative and highly technical assessment solutions.

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Conferences & Events

There are no research events scheduled at this time.

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Featured Researcher

Dr. Seung Choi

Dr. Choi oversees the Psychometric Services Department composed of researchers of diverse expertise for developing nationally standardized assessments and providing psychometric solutions and services to state and local education agencies for the design, implementation, and reporting of large-scale student assessment programs.

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Understanding Assessment

The Learning Journey

CTB supports educators and students throughout the learning process.

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