A partnership was created between psychologists and computer programmers to develop a computer-based assessment program. Psychometric concerns of accessibility, reliability, and validity were juxtaposed with core development concepts of usability and user-centric design. Phases of development were iterative, with evaluation phases alternating with…

Schools have an obligation to assess the literacy skills of their students, and the provision of reading instruction to students includes the ability to measure progress in this area. However, the design of reading tests includes the ability not only to read words, but also the ability to verbalise them. This presents a particular challenge for…

This study examined the effects of testing accommodations on students' test performances and reactions to the use of testing accommodations. Participants (N = 170) were fourth- and eighth-grade students, with and without disabilities. All students were administered, with and without accommodations, equivalent forms of widely used math and reading…

This study evaluated the internal reliability and face validity of a linguistically modified Self-Description Questionnaire and a sign language video presentation of the questionnaire items with 10 deaf students (ages 8 to 13). Results suggest that the modified measure and video presentation are appropriate for use with deaf students without…

This investigation examined the effects and consequences of using testing accommodations, including reading aloud test content, with a group of eighth-grade students (N = 79) on a standardized reading test. Research questions pertaining to the effects of accommodations on reading test scores and consequences of testing on teacher and student…

This publication reports the results of a research study on the feasibility and validity of various accommodations in the context of mathematics assessment. The study compared limited English proficiency (LEP) and non-LEP students' scores on 20 science items under three different conditions: standard National Assessment for Educational Progress…

This technical report documents the procedures followed in developing student and teacher surveys to gather information about the accommodations students are accustomed to receiving and those that might be beneficial on a mathematics test delivered on the computer. It provides documentation of the technical adequacy of the survey instruments, as…