NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 4 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Blessing, Stephen B.; Gilbert, Stephen B.; Ourada, Stephen; Ritter, Steven – International Journal of Artificial Intelligence in Education, 2009
Intelligent Tutoring Systems (ITSs) that employ a model-tracing methodology have consistently shown their effectiveness. However, what evidently makes these tutors effective, the cognitive model embedded within them, has traditionally been difficult to create, requiring great expertise and time, both of which come at a cost. Furthermore, an…
Descriptors: Intelligent Tutoring Systems, Cognitive Processes, Models, Expertise
Peer reviewed Peer reviewed
Littlejohn, Alice C.; Janousek, Kelly S. – CD-ROM Professional, 1991
Evaluates six CD-ROM products for library users that provide information on companies: (1) CD/Corporate: U.S. Public Companies; (2) Compact D/SEC; (3) Compustat PC Plus Corporate Text; (4) General Business File; (5) Moody's 5000 Plus; and (6) Standard and Poor's Corporations. Information provided includes companies included, online database…
Descriptors: Computer Software Evaluation, Cost Effectiveness, Costs, Databases
Peer reviewed Peer reviewed
Bontis, Nick; Chung, Honsan – Internet Research, 2000
Describes three different pricing models for software. Findings of this case study support the proposition that software pricing is a complex and subjective process. The key determinant of alignment between vendor and user is the nature of value in the software to the buyer. This value proposition may range from increased cost reduction to…
Descriptors: Case Studies, Computer Software, Computer Software Evaluation, Computer Software Selection
Melmed, Arthur, Ed. – 1995
This report summarizes one of a series of workshops organized by RAND's Critical Technologies Institute (CTI), on behalf of the U.S. Department of Education, to learn from those already implementing new technologies in schools. This particular session explores the educational software market from the demand side and focuses on issues of cost…
Descriptors: Case Studies, Comparative Analysis, Computer Software Evaluation, Cost Effectiveness