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Our Research Commitment

Our Research Department is committed to be the industry leader in Research and Development efforts toward (a) innovative scientific advances that improve applied educational assessment methodologies, and (b) basic research in measurement psychometrics, and assessment that have long-term benefits to the industry and education at the local, state, and national levels.

Our commitment to research ensures that every assessment we design meets the highest standards of validity and reliability. Our industry-leading research expertise ensures that any assessment we develop provides the basis for meaningful, high-confidence inferences and conclusions.

Careful research is paramount throughout the development process for our assessments—in test design, item development, tryout studies, and standard setting and alignment. Our attention to detail, proven procedures, leadership, and innovation ensure dependable test results. Our assessments deliver information you can trust—data that can become a solid foundation for informed instruction.

Understanding Assessment


The Learning Cycle

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

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Use of Test-Related Instructional Materials

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

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