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Download full textGoldhor, Herbert – 1985
The Index of American Public Library Circulation dates back to 1939, and the Index of American Public Library Expenditures to 1951. These indexes are based on annual reports from a sample of all American public libraries serving more than 25,000 people each. Using the 1982 American Library Directory, the researchers identified 1,586 public…
Descriptors: Correlation, Foreign Countries, Indexes, Library Circulation
Peer reviewedMidorikawa, Nobuyuki; And Others – Information Services and Use, 1984
Investigates interrelationships among five citation measures which indicate citation frequency and citation immediacy in scientific and technical journals (number of cited items, cited-citing ratio, impact factor, decay index, immediacy index) and impact of three factors on these measures (difference of fields, number of articles, number of citing…
Descriptors: Citations (References), Correlation, Indexes, Research Methodology
