Explore our library to find articles, white papers, videos, and more, on a variety of education and assessment topics.
, June 03, 2011
DRC|CTB receives frequent inquiries about its position regarding use of test-related instructional materials. This best practice presents that position.
, January 13, 2008
This paper describes different Item Response Theory (IRT) models for both multiple- choice items and constructed-response items.
"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
Video providing an overview of the LAS Links suite of language proficiency assessment products. Read Transcript
Duration: 04:29 | Watch Video
DRC offers many types of assessment products for all grade levels and audiences.Learn more »