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| Main Authors: | , |
|---|---|
| Format: | Recurso educativo Open Access |
| Language: | en |
| Published: |
1972
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| Subjects: | |
| Online Access: | https://eric.ed.gov/?id=ED076197 |
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Table of Contents:
- Patterns of Citations to Articles within Journals: A Preliminary Test of Scatter, Concentration and Obsolescence. Line, Maurice B. And Others Citations (References) Information Utilization Library Material Selection Obsolescence Periodicals Research Reports If citations are concentrated on a relatively small number of articles within individual journals as well as between different journals, selections of key articles can be published that should satisfy a high percentage of library demand for back runs at low purchase cost. To test this hypothesis, a test was carried out on self-citations in three journals in different scientific disciplines. The results show a considerable degree of concentration, though it differs from journal to journal. The relationship of self-citations as indicators of use is discussed, and a comparison was made with citations to the same journals in "Science Citation Index." The papers that were most frequently cited were different at different periods. The data also provided an opportunity to compare synchronous and diachronous obsolescence. Their differences are discussed and the latter is shown to depend on more variables than the former, but differences between the two were not demonstrable. Obsolescence rates were measured as the annual rate of decay in the probability that any one paper of a given age would be cited in any one paper in the same journal of a given year. (Author/NH)