Recently, the Test of English as a Foreign Language (TOEFL) changed by including a writing section that gives the examinee an option between computer and handwritten formats to compose their responses. Unfortunately, this may introduce several potential sources of error that might reduce the reliability and validity of the scores. The seriousness…

Recently, the Test of English as a Foreign Language (TOEFL) changed by including a direct writing assessment where examinees choose between computer and handwritten composition formats. Unfortunately, examinees may have differential access to and comfort with computers; as a result, scores across these formats may not be comparable. Analysis of…

This study seeks to determine whether item features are related to observed differences in item difficulty (DIF) between computer- and paper-based test delivery media. Examinees responded to 60 quantitative items similar to those found on the GRE general test in either a computer-based or paper-based medium. Thirty-eight percent of the items were…