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Peer reviewedCooper, Michael D. – Journal of the American Society for Information Science, 1983
Explores response time variations in National Library of Medicine's ELHILL bibliographic search system and analyzes statistical significance of response time in terms of its variations by day of week, hour of day, particular bibliographic file being searched, command issued by user, number of users logged onto system. Ten references are cited.…
Descriptors: Analysis of Covariance, Databases, Information Retrieval, Medical Libraries
Nahl-Jakobovits, Diane; Tenopir, Carol – Database, 1992
Discussion of the use of CD-ROM databases for end-user searching versus online database searching in academic libraries focuses on a comparison of two databases, "Psychological Abstracts" and "Sociological Abstracts," that were searched in both formats. Factors of response time, coverage, content, and cost were investigated for…
Descriptors: Academic Libraries, Comparative Analysis, Content Analysis, Cost Effectiveness
