Argues that, although expert systems--which are supposed to give users all the advantages of consulting with human experts--can be useful for medical diagnosis, where tests tend to be reliable, they can be hazardous in such areas as psychological testing, where test reliability is difficult to measure. (MBR)

Defines courseware engineering (CE) and discusses how it differs from software engineering. Topics addressed include the goals of courseware engineering; a classification of tasks; costs; aspects of knowledge representation; the structure of knowledge in CE; processes in knowledge acquisition; and knowledge base validation. (Contains 48…

Discussion of user-friendly documentation focuses on problems with computer hardware and software documentation, and other forms of instructional manuals, that are poorly written and do not keep the needs of the users in mind. Topics highlighted include target audience analysis and validation and indexes. (LRW)

Discusses ethical and professional issues in psychology regarding computer-assisted therapy (CAT). Topics addressed include an explanation of CAT; whether CAT is psychotherapy; software, including independent use, validation of effectiveness, and restricted access; clinician resistance; client acceptance; the impact on ethical standards; and a…

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)