Virtual Reality (VR) is a computer-created sensory experience that allows a participant to believe and barely distinguish a "virtual" experience from a real one using computer graphics, sounds, and images to reproduce electronic versions of real-life situations. This digest describes how VR works and discusses applications of VR in…

Computerized adaptive tests (CATs) make it possible to estimate the ability of each student during the testing process. The computer presents items to students at the appropriate level, and students take different versions of the same test. Computerized testing increases the flexibility of test management in that: (1) tests are given on demand and…