Provides a framework for understanding the concept of validity and how it applies to simulation research. Extant tests of validity are discussed in terms of this framework, and a general schema for testing validity is proposed. (MBR)

As high-stakes use of tests increases, it becomes vital that test developers and test users communicate clearly about the accuracy and limitations of the scores generated by a test after it is assembled and used. A procedure is described for portraying the accuracy of test scores. It can be used in setting accuracy targets during form construction…

The IDEA Oral Language Proficiency Test (IPT II), an individually-administered measure of speaking and listening proficiency in English as a Second Language designed for secondary school students, is described and discussed. The test consists of 91 items and requires 5-25 minutes to administer. Raw scores are converted to one of seven proficiency…

Many multiple aptitude test batteries, including the Air Force Officer Qualifying Test (AFOQT), used for assigning or classifying individuals to jobs or for occupational counseling have subtests covering a broad range of content such as science, mathematics, reading, vocabulary, perceptual, mechanical, or technical knowledge. This content reflects…

This study examined performance of a simulated computerized adaptive test that was designed to help direct the development of a medical recertification examination. The item pool consisted of 229 single-best-answer items from a random sample of 3,000 examinees, calibrated using the two-parameter logistic model. Examinees' responses were known. For…