This research is part of a series of studies, in which the long term objective is to use computer-assisted instruction (CAI) to teach students how to solve nonroutine problems, i.e., problems in which the problem solvers must generate their own strategies. The subjects were 93 first and third graders who tried to solve a novel reasoning problem on…

The system is a comprehensive set of computer programs and procedures for assisting in the preparation, scoring and analysis of multiple choice test batteries. The system may be used with either standardized or locally developed tests. For the upper grades the system accepts pupil responses on mark-sense answer sheets. For lower grades pupil…

IN GENERAL, PROBLEM SOLUTIONS CAN BE FOUND ALONG A CONTINUUM OF ABSTRACTION FROM THE SPECIFIC TO THE GENERAL. THERE IS, AT ANY GIVEN POINT IN THE DEVELOPMENT OF THE SOLUTION, A MOST EFFICIENT OR OPTIMUM STRATEGY. IN INFORMATION RETRIEVAL SYSTEMS THE ULTIMATE SOLUTION IS USUALLY OBTAINED, AT A MORE SPECIFIC RATHER THAN AT A MORE ABSTRACT LEVEL. THE…

The twenty-second in a series, this report describes research in information organization and retrieval conducted by the Department of Computer Science at Cornell University. The report covers work carried out during the period summer 1972 through summer 1974 and is divided into four parts: indexing theory, automatic content analysis, feedback…

A SET OF GUIDELINES FOR IMPLEMENTING AND OPERATING A REPLICA OF A PROTOTYPE SELECTIVE DISSEMINATION OF INFORMATION (SDI) SYSTEM TESTED AT U.S. ARMY NATICK LABORATORIES, AND REPORTED IN LI 000 273, IS GIVEN IN THIS MANUAL. INFORMATION IS SUPPLIED WHICH IS USEFUL IN THE INITIAL STAGES OF IMPLEMENTATION. THE APPLICATION OF SPECIFIC CRITERIA FOR…