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首页> 外文期刊>Evidence Based Library and Information Practice >Dewey Decimal Classification Trending Downward in U.S. Academic Libraries, but Unlikely to Disappear Completely
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Dewey Decimal Classification Trending Downward in U.S. Academic Libraries, but Unlikely to Disappear Completely

机译：杜威十进制分类法在美国大学图书馆中呈下降趋势，但不太可能完全消失

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Objective – To determine the current use of Dewey Decimal Classification in academic libraries in the United States of America (U.S.). Design – Cross-sectional survey using a systematic sampling method. Setting – Online academic library catalogues in the U.S. Subjects – 3,973 academic library catalogues. Methods – The researchers identified 3,973 academic libraries affiliated with degree-granting post-secondary institutions in the U.S. The researchers searched each library’s online catalogue for 10 terms from a predetermined list. From the results of each search, the researchers selected at least five titles, noted the classification scheme used to classify each title, and coded the library as using Dewey Decimal Classification (DDC), Library of Congress Classification (LCC), both DDC and LCC, or other classification schemes. Based on the results of their data collection, the researchers calculated totals. The totals of this current study’s data collection were compared to statistics on DDC usage from two previous reports, one published in 1975 and one in 1996. The researchers performed statistical analyses to determine if there were any discernible trends from the earliest reported statistics through to the current study. Main Results – Collections classified using DDC were present in 717 libraries (18.9%). Adjusting for the increase in the number of academic libraries in the U.S. between 1975 and 2017, DDC usage in academic libraries has declined by 56% in that time frame. The number of libraries with only DDC in evidence is unreported. Conclusion – The previous four decades have seen a significant decrease in the use of DDC in U.S. academic libraries in favour of LCC; however, the rate at which DDC has disappeared from academic libraries has slowed dramatically since the 1960s. There is no clear indication that DDC will disappear from academic libraries completely.
机译：目的–确定美利坚合众国（美国）大学图书馆中杜威十进制分类的当前使用情况。设计–使用系统抽样方法进行横断面调查。设置–美国学科中的在线大学图书馆目录– 3,973个大学图书馆目录。方法–研究人员确定了3973个与美国授予学位的大专院校相关的大学图书馆。研究人员从预定列表中的每个图书馆的在线目录中搜索了10个术语。从每次搜索的结果中，研究人员至少选择了五个标题，记录了用于对每个标题进行分类的分类方案，并使用杜威十进制分类法（DDC），国会图书馆分类法（LCC），DDC和LCC对图书馆进行了编码或其他分类方案。根据他们的数据收集结果，研究人员计算了总数。将本次研究的数据收集总量与之前两份报告中的DDC使用统计数据进行比较，一份于1975年发表，另一份于1996年发表。研究人员进行了统计分析，以确定从最早报告的统计数据到最新数据，是否存在可辨别的趋势。目前的研究。主要结果–使用DDC分类的馆藏存在于717个图书馆中（占18.9％）。根据1975年至2017年美国高校图书馆数量的增加进行调整，在此期间，高校图书馆的DDC使用量已下降了56％。仅报告DDC的图书馆数量尚未报告。结论–在过去的40年中，美国大学图书馆对LCC的使用大大降低了DDC的使用;但是，自1960年代以来，DDC从高校图书馆消失的速度已大大降低。没有明确的迹象表明DDC将完全从学术图书馆中消失。

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