A study investigated the relationship between the completeness of end users' mental models of an online system and their ability to use the system effectively. Although all of the study subjects were relatively successful, those with more complete mental models tended to have better search results than subjects with incomplete or poor mental…

Describes analyses of 3 searches conducted in an academic library by 11 novice users of full-text databases. The study examined affective search behavior, search strategies, and searcher assessments of retrieved material. Results of interviews, transaction log analysis, and audiotape recordings of search sessions are discussed, and further…

Describes a study at the University of Michigan that examined the extent of serials duplication among branch and divisional libraries, the portion of the serials budget made up of duplications, and the relationship between duplication and serials characteristics. Ways to avoid serials duplication are suggested based on the findings of this study.…