Identifies techniques for the formative and summative evaluation of intelligent tutoring systems (ITS) based on ITS research, expert systems design, computer-based instruction, education, and psychology. Highlights include criterion-based evaluation, expert knowledge, certification, sensitivity analysis, pilot testing, domain knowledge, student…

The emergence and purpose of formative evaluation as a tool for curriculum developers is described. It is pointed out that formative evaluation seeks to establish the merit of instructional materials during their development, to modify and improve the design of instructional materials, and to establish their worth so they may be adapted for use in…