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Jansen, Bernard J.; Spink, Amanda; Saracevic, Tefko – 1999
This paper reports on a transaction log analysis of 51,473 queries from 18,113 users of Excite, a major World Wide Web search engine. Approximately 2,500 of these queries were from the use of relevance feedback. Given the high level of research activity and historical success of relevance feedback in assisting users in locating relevant…
Descriptors: Feedback, Information Retrieval, Relevance (Information Retrieval), Search Strategies
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van Geert, Paul – Psychological Review, 1991
A conceptual framework of cognitive growth is sketched and a mathematical model of cognitive growth is presented with the conclusion that the most plausible model is a model of logistic growth with delayed feedback. The model is transformed into a dynamic systems model based on the logistic-growth equation. (SLD)
Descriptors: Cognitive Development, Developmental Psychology, Feedback, Heuristics
Schornack, Gary R.; Beck, Charles E. – 1997
This paper examines strategies to enhance learning, based on innovations in technology. It represents an evolution of thought from the ancient masters, great thinking, and the Great Learning all the way to the present. A syllabus for the future is constructed, using a model of communication, the Rhetorical Systems Model. The model is based on a…
Descriptors: Educational Development, Educational Practices, Feedback, Information Technology