Describes a study that used the shelf availability research methodology to identify and quantify the causes of users' failures to identify and locate library materials. The factors resulting in unsuccessful searches are discussed, and recommendations for reducing these factors are made. (26 references) (CLB)

Describes a study that measured the benefits of an automated catalog and automated circulation system from the library user's point of view in terms of the value of time saved. Topics discussed include patterns of use, access time, availability of information, search behaviors, and the effectiveness of the measures used. (seven references)…

Presents a methodology for describing, analyzing, and evaluating the public service functions of serial file systems, and describes a user study conducted in a university departmental library to determine the efficiency and effectiveness of its system in enabling students new to the library to locate known-items in the serials collection. (CDD)

Reports measures of the gains in search time and likelihood of success in known-item searches with the Acorn automated catalog at Vanderbilt University. User time and search success are valued in dollar terms to make the measures meaningful for system design choices. (Author/CLB)