This study applied an analytical technique called Data Envelopment Analysis (DEA) to calculate the relative technical efficiency of 95 academic research libraries, all members of the Association of Research Libraries. DEA, with the proper model of library inputs and outputs, can reveal best practices in the peer groups, as well as the technical…

Describes the research objectives, rationale, methodology, and findings of a model program developed at the Northwestern University Library, which examined whether online catalogs require instruction and, if so, how that instruction would be best delivered. (CLB)