A complex tool, data envelopment analysis (DEA) was used to evaluate the relative efficiency of major academic research libraries that are members of the Association of Research Libraries (ARL). Results of a two-year base line study using traditional measures taken from 1995-96 ARL statistics are reported. (AEF)

Describes the development of a taxonomy of the value of library services based on users' assessments from five large research libraries. Highlights include empirical and derived taxonomy, replicability of the study, reasons for using the library, how library services are related to time and money, and a theory of value. (LRW)

Results of a study that evaluated 21 diverse services at 5 major academic research libraries demonstrate that a cross-functional approach to library services is feasible. Findings also highlight a new measure of impact, which is a weighted logarithmic combination of the amount of time that users spend interacting with the service, combined with a…

Describes a new analytical tool, data envelope analysis (DEA) model, which can provide better understanding of the efficiency of academic research libraries. Reports the results of a study using 1994-1995 Association of Research Libraries statistics together with expert judgments, in terms of constraints, to make the model more applicable to the…

The first of two parts, this article discusses concepts of value and establishes a theory of use-oriented value for information and information services. Examines the notion of value in philosophy, economics, and library and information services; explores the connection between value and relevance; and develops models of information use and…

The second of two parts, this article develops a taxonomy of value-in-use for library and information services based on user assessments and proposes methods and instruments for similar studies of library and information services in general. Divides value of services into three classes: reasons for use; quality of interaction; and worth, benefits…

Discusses the results of an analysis of the reference process in which behavioral outcomes were distinguished from the causal factors that inhibit the delivery of reference service. Data on reference services in 16 libraries are analyzed and presented in five figures and three tables. A 26-item reference list is included. (JL)