The three articles in this special section on document image files discuss intelligent character recognition, including comparison with optical character recognition; selection of displays for document image processing, focusing on paperlike displays; and imaging hardware, software, and vendors, including guidelines for system selection. (MES)

This manual outlines the rationale for using the Criterion Referenced Test (CRT) approach and suggests specific guidelines for test developers to use in constructing test items. Methods for assessing the adequacy of a CRT are also provided. (Author/RC)

Proposes a framework to help course developers design criteria for optimal media deployment. The merits of radio, television, audio, video, and print are briefly compared with computer-based media and analyzed in light of six types of media characteristics: symbol system, access, controllability, student reactivity, interactivity, and adaptivity.…