Presents a guide to assessing optical data disks based on descriptive evaluation (facts about the product), comparative evaluation (whether the content is available in another form) and use evaluation (who will use it, why, and how). A checklist of evaluation criteria is provided. (CLB)

Examines the impact of online systems designed to be searched by end users on the process of database and product evaluation. Two testing methods, beta tests and user surveys, are evaluated, and possible solutions to testing problems are suggested. (CLB)