淡江大學機構典藏:Item 987654321/39801
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    題名: Library journal use and citation half-life in medical science
    作者: Tsay, Ming-yueh
    貢獻者: 淡江大學資訊與圖書館學系
    關鍵詞: usage studies;half life measures;medical libraries;biomedical information
    日期: 1998-12
    上傳時間: 2010-01-27 16:40:56 (UTC+8)
    出版者: Wiley-Blackwell
    摘要: This study investigated the in-house use half-life of journals in the Library of Veterans General Hospital, Taipei, and their citation half-life, and the difference between them. The use study employed the sweep method and the study period lasted for 6 months. The citation half-life of each journal of this study was based on the data listed in the Science Citation Index, Journal Citation Reports, 1993. The results of this study illustrate that publication frequency, journal age, language, and country of publication, and subject category all are related to both use and citation half-lives. In addition, the use half-life also reflects the extent of holdings of particular titles in the local library. The mean use half-life of the total 835 journals is 3.43 years, which is significantly shorter than the mean citation half-life, 6.28 years. The difference between mean use half-life and mean citation half-life is 2.85 years, and is statistically significant as revealed by the t test.
    關聯: Journal of the American Society for Information Science 49(14), pp.1283-1292
    DOI: 10.1002/(SICI)1097-4571(1998)49:14<1283::AID-ASI6>3.0.CO;2-I
    顯示於類別:[資訊與圖書館學系暨研究所] 期刊論文

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