Time limits on some computer-adaptive tests (CATs) are such that many examinees have difficulty finishing, and some examinees may be administered tests with more time-consuming items than others. Results from over 100,000 examinees suggested that about half of the examinees must guess on the final six questions of the analytical section of the…

Differences in test performance on time-limited tests may be due in part to differential response-time rates between subgroups, rather than real differences in the knowledge, skills, or developed abilities of interest. With computer-administered tests, response times are available and may be used to address this issue. This study investigates…

This report updates and summarizes what is known from research on the effects of test accommodations for students with disabilities and also provides direction to the design of critically needed future research on accommodations. A review was conducted of 46 empirical research studies on accommodations published from 1999 through 2001. The…