Library and Information Science

Library and Information Science ISSN: 2435-8495
三田図書館・情報学会 Mita Society for Library and Information Science
〒108‒8345 東京都港区三田2‒15‒45 慶應義塾大学文学部図書館・情報学専攻内 c/o Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
Library and Information Science 17: 213-221 (1979)

原著論文Original Article

カード目録利用の動態観測間歇撮影法の得失Catalog use study with intermittent photography

発行日:1980年3月25日Published: March 25, 1980

Catalog use is studied by intermittent photography with a commonly available 8 mm camera. Over 3,000 frames, covering 5 hours at 5 sec. interval, are obtained in each test. Six out of seven tests are done at a title catalog cabinets (for Japanese books) of the Keio University library and as a comparison one test at the Tokyo Keizai Daigaku library by courtesy of the director. It is found that about 100–200 persons consulted the catalog in 5-hour period. On the average 3 min. are spent by individual, but the distribution shows very slow decrease towards the longer end. This suggests simple known-item search on shorter side and relatively comprehensive bibliographic survey on the longer side. Some of the long-time users revisits the catalog several times in a day. The number of catalog users apparently changes according to daily schedule on the campus. A bottleneck of this method lies in the process of identifying and digitizing the images on the screen, because it is too time-consuming but not easily mechanizable. Also it is strongly restricted by physical environments.

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