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Direct linkKelty-Stephen, Damian G.; Mirman, Daniel – Cognition, 2013
Our previous work interpreted single-lognormal fits to inter-gaze distance (i.e., "gaze steps") histograms as evidence of multiplicativity and hence interactions across scales in visual cognition. Bogartz and Staub (2012) proposed that gaze steps are additively decomposable into fixations and saccades, matching the histograms better and…
Descriptors: Eye Movements, Statistical Distributions, Graphs, Data
Peer reviewedWong, Wai Yee Peter; Lee, Dik Lun – Information Processing and Management, 1993
Discussion of search strategies in information retrieval systems focuses on the implementation of document ranking based on inverted files. Highlights include descriptions of three heuristic methods for implementing a weighting strategy and a comparison of two methods for estimating retrieval accuracy, including document movement and linear…
Descriptors: Comparative Analysis, Graphs, Heuristics, Information Retrieval
Janes, Joseph W. – Proceedings of the ASIS Annual Meeting, 1993
Examines the statistical distribution of relevance judgments by reviewing and comparing the results of several studies over the last three decades. A characteristic distribution is examined, and a hypothesis is offered to explain it based on human judging characteristics and the nature of relevance experimentation. (Contains 13 references.) (LRW)
Descriptors: Charts, Comparative Analysis, Evaluative Thinking, Graphs
Peer reviewedJohnson, Steven D. – Journal of Academic Librarianship, 1985
Discussion of rush library processing (rapid provision of books that are urgently needed) highlights speed versus cost, previous studies, and a study conducted at Clemson University Library to determine rush book turnaround time. Seven guidelines applicable primarily to academic libraries are suggested as aids to improve rush processing. (9…
Descriptors: Cataloging, College Libraries, Comparative Analysis, Graphs
Peer reviewedWiedemer, John David; Boelio, David B. – CD-ROM Professional, 1995
Compares compact discs (CD-ROMs) and online services in terms of cost of information delivery; system advantages and disadvantages; future possibilities; and role in the National Information Infrastructure. Analysis reveals that CD-ROMs have the lowest information delivery cost and are endorsed by the marketplace as a cost-effective way to deliver…
Descriptors: Comparative Analysis, Cost Effectiveness, Evaluation Methods, Futures (of Society)
Husen, Torsten – Phi Delta Kappan, 1983
Discusses the limitations of crossnational comparisons of secondary student performance in the U.S. and selected European and Pacific industrial countries, using mathematics and science data from the International Assessment for the Evaluation of Educational Achievement (IEA). Suggests the most serious problem is the rise of a new educational…
Descriptors: Academic Achievement, Comparative Analysis, Comparative Testing, Cross Cultural Studies
