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Research Topics:
Test Development

Valid and reliable assessments result from systematic development by content experts and psychometricians.


DRC|CTB uses a multistep process that includes carefully defining the construct to be measured, developing a test blueprint aligned with the purpose of the assessment, thoughtful application of the art and science of item writing, and empirical data collection to support item and test validity. Research in test development is concerned with improved methods to enhance the validity and reliability of assessments.

Featured Article

Read about the norms used in TerraNova 3.  Learn how test publishers provide national norms for their tests so that students' scores can be compared with the performance of other students across the nation.


Understanding Assessment


The Learning Cycle

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

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