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The Use of Eye Movements in the Study of Multimedia Learning
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Hyona, Jukka – Learning and Instruction, 2010
This commentary focuses on the use of the eye-tracking methodology to study cognitive processes during multimedia learning. First, some general remarks are made about how the method is applied to investigate visual information processing, followed by a reflection on the eye movement measures employed in the studies published in this special issue.…
Descriptors: Eye Movements, Human Body, Cognitive Processes, Indexing
A Study of Cross-Referencing.
Kochen, Manfred; Tagliacozzo, Renata – 1968
The problem of determining the optimal cross-reference structure for a given index and for a given community of users is discussed. A cross-reference structure is represented as a graph in which the nodes are index terms and the links are relations between index terms. In order to clarify the concept of 'level of cross-referencing' the…
Descriptors: Dictionaries, Evaluation Methods, Indexes, Indexing
AN EVALUATION OF A METHOD FOR IMPROVING SEARCH STRATEGIES IN A COORDINATE SEARCHING SYSTEM.
HEWER, DAVID J. – 1966
SEARCH STRATEGIES WHICH CAN BE CONTINUOUSLY MODIFIED WERE DEVELOPED FOR COORDINATE SEARCHING SYSTEMS. USING THE FILES OF THE NASA TECHNOLOGY UTILIZATION PROGRAM AT THE KNOWLEDGE AVAILABILITY SYSTEMS CENTER, UNIVERSITY OF PITTSBURGH, A STUDY WAS CONDUCTED OF THE RETRIEVAL OF RELEVANT DOCUMENTS BY BOTH MANUAL AND MACHINE METHODS FOR FIVE QUESTIONS…
Descriptors: Documentation, Evaluation Methods, Indexes, Indexing
Transmission Fidelity in Document Systems.
Katter, Robert V. – 1968
Document searching systems, such as those in libraries, are comprised of chains of components that transmit information. The components consist of mechanisms for doing classification, indexing, abstracting and cataloging of documents, and for converting users' statements of need to expressions suitable for searching the system. Improvement of the…
Descriptors: Abstracting, Automation, Cataloging, Classification
A MULTIPLE TESTING OF THE ABC METHOD AND THE DEVELOPMENT OF A SECOND-GENERATION MODEL. PART II, TEST RESULTS AND AN ANALYSIS OF RECALL RATIO.
ALTMANN, BERTHOLD – 1965
AFTER A BRIEF SUMMARY OF THE TEST PROGRAM (DESCRIBED MORE FULLY IN LI 000 318), THE STATISTICAL RESULTS TABULATED AS OVERALL "ABC (APPROACH BY CONCEPT)-RELEVANCE RATIOS" AND "ABC-RECALL FIGURES" ARE PRESENTED AND REVIEWED. AN ABSTRACT MODEL DEVELOPED IN ACCORDANCE WITH MAX WEBER'S "IDEALTYPUS" ("DIE OBJEKTIVITAET…
Descriptors: Correlation, Dictionaries, Evaluation Methods, Hypothesis Testing
INFORMATION STORAGE AND RETRIEVAL, REPORTS ON EVALUATION PROCEDURES AND RESULTS 1965-1967.
SALTON, GERALD – 1968
A DETAILED ANALYSIS OF THE RETRIEVAL EVALUATION RESULTS OBTAINED WITH THE AUTOMATIC SMART DOCUMENT RETRIEVAL SYSTEM FOR DOCUMENT COLLECTIONS IN THE FIELDS OF AERODYNAMICS, COMPUTER SCIENCE, AND DOCUMENTATION IS GIVEN IN THIS REPORT. THE VARIOUS COMPONENTS OF FULLY AUTOMATIC DOCUMENT RETRIEVAL SYSTEMS ARE DISCUSSED IN DETAIL, INCLUDING THE FORMS OF…
Descriptors: Automation, Computational Linguistics, Correlation, Dictionaries
AUDACIOUS - An Experiment with an On-Line, Interactive Reference Retrieval ment with an On-Line, Interactive Reference Retrieval System Using the Universal Decimal Classification as the Index Language in the Field of Nuclear Science.
Freeman, Robert R.; Atherton, Pauline – 1968
This report describes an experimental system for remote direct access to files of computer-stored information which has been indexed by the Universal Decimal Classification (UDC). The data base for the experiment consisted of references from a single issue of Nuclear Science Abstracts. The Special Subject Edition of UDC for Nuclear Science and…
Descriptors: Classification, Display Systems, Evaluation Methods, Indexing
INFORMATION STORAGE AND RETRIEVAL, REPORTS ON EVALUATION, CLUSTERING, AND FEEDBACK.
SALTON, GERALD – 1967
THE TWELFTH IN A SERIES COVERING RESEARCH IN AUTOMATIC STORAGE AND RETRIEVAL, THIS REPORT IS DIVIDED INTO THREE PARTS TITLED EVALUATION, CLUSTER SEARCHING, AND USER FEEDBACK METHODS, RESPECTIVELY. THE FIRST PART, EVALUATION, CONTAINS A COMPLETE SUMMARY OF THE RETRIEVAL RESULTS DERIVED FROM SOME SIXTY DIFFERENT TEXT ANALYSIS EXPERIMENTS. IN EACH…
Descriptors: Cluster Grouping, Computational Linguistics, Correlation, Evaluation Methods