Discusses the Peirce On-line Resource Testbed (PORT), a digital archive of primary data. Highlights include knowledge processing testbeds for digital resource development; Peirce's pragmatism in operation; PORT and knowledge processing; obstacles to archive access; and PORT as a paradigm for critical control in knowledge processing. (AEF)

Examines the knowledge construction processes of novice programmers using parentheses and quotes in hypermedia; identifies characteristics of successful and unsuccessful students working off- and on-line. The strategies of perceptual matching and computer feedback were used in both settings to interpret of the information presented. (Author/AEF)

This article provides a tutorial introduction to Artificial Intelligence (AI) research for those involved in Computer Assisted Instruction (CAI). The general theme is that much of the current work in AI, particularly in the areas of natural language understanding systems, rule induction, programming languages, and socratic systems, has important…

Discusses impact of three selected command language facilities (positional or free text operations, crossfile searching, term frequency analysis--ZOOM) on the man-system interface in relation to operational online information retrieval (IR). A cognitive IR model, searchers' knowledge structures, and searching with different types of command…

This article discusses problems in the psychological processing theory for learning disabilities assessment and describes the development and potential use of an interactive diagnostic system for testing students' processing skills for learning disabilities. (AEF)

An interactive assessment system which was built around an existing computer controlled testing facility in the Department of Psychology at the University of Washington is described. The Extensible Multiprograming System for experimental psychology (EMPP) is problem oriented software developed to simplify the programing of psychological…