The use of on‐line information retrieval services

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Abstract
As part of a British Library Research and Development Department research programme for studying the use of on‐line information systems, UMIST examined the efficiency and reactions of users Comparisons were made between search results of users, users assisted by an intermediary experienced in using the system, and the intermediary on his own after discussion with the user. Using the data bases offered through the LOCKHEED DIALOG service, it was found that users were very pleased with on‐line literature searching. Over 90% of users were partially or completely satisfied with the results. While 95% of users were satisfied with their own search results, 90% preferred those of the intermediary whose search was shorter but retrieved more references on average.

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