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Lantz, Brian E. – Journal of Documentation, 1981
Data on 2,380 searches of online information retrieval systems are analyzed using a mathematical model to determine the relationship between two measures of effectiveness--documents read and relevant references. The nature and relative merits of these two variables are discussed, as well as the findings, and seven references are listed. (RBF)
Descriptors: Foreign Countries, Goodness of Fit, Graphs, Information Retrieval