We report partial results of the evaluation of an intelligent tutoring system (Sherlock 2) that fosters the transfer of complex technical skills. The tutor's learning environment is concordant with views from the acquired skill through coached apprenticeship activities. Instructional content consists of authentic problem solving scenarios that situate trainees in realistic contexts where they can practice and hone complex diagnostic skills. Moreover, results show that their acquired expertise is generalizable ...
Sherlock I was written in Xerox Lisp, using an object-oriented programming tool called Loops. When we began planning Sherlock II, it was already clear that the specialized hardware environments needed for the first generation of cognitive technology tools was beginning to pose serious barriers to the diffusion of the ideas in those tools. We decided that we would do future development work on standard workstation platforms with broad presence in ...
Sherlock is a computer-based supported practice environment for a complex troubleshooting job in th Air Force. This chapter describes the training problem for which Sherlock was developed, the principles behind its development, and its implementation. The training problem is severe and representative of a common problem in our high-technology society. People who will fill a position for a brief period (four years or less for many in this Air Force ...
The purpose of the contract was to study the psychological characteristics and instructional factors of skill acquisition in jobs requiring high levels of expertise. One of the goals of the work was to examine the acquisition of competence in skills that require hundreds or even thousands of hours of instruction and practice. This work was carried out by a collection of several separate research projects which were combined into a ...
Reports by Author
