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Use of Test-Related Instructional Materials

By: DRC|CTB , June 03, 2011
DRC|CTB receives frequent inquiries about its position regarding use of test-related instructional materials. This best practice presents that position.

Accuracy of Test Scores: Why IRT Models Matter

By: DRC|CTB , January 13, 2008
This paper describes different Item Response Theory (IRT) models for both multiple- choice items and constructed-response items. 

Northside Independent School District, San Antonio, Texas

"Because we have more domains, we have more information. The information that you're gleaning from the test is much more useful and helpful in the classroom."
Customer: Gale Stanley, NISD Adult Education Supervisor

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