An examination of the origin and content of general systems theory is followed by identification of the major characteristics of systems and brief discussion of use of models. Two ways of applying a systems model are identified and their appropriateness is assessed in relation to particular training circumstances. (55 references). (Author/MBR)

A cognitive task analysis was performed to analyze the key cognitive components of the en route air traffic controllers' jobs. The goals were to ascertain expert mental models and decision-making strategies and to identify important differences in controller knowledge, skills, and mental models as a function of expertise. Four groups of…

This document presents and discusses the national skill standards for advanced high-performance manufacturing that were developed during a project that was commissioned by the U.S. Department of Education. The introduction explains the need for national skill standards. Discussed in the next three sections are the following: benefits of national…