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Peer reviewed Peer reviewed
Blecic, Deborah D.; Dorsch, Josephine L.; Koenig, Melissa H.; Bangalore, Nimala S. – College & Research Libraries, 1999
Describes a longitudinal study of four sets of OPAC (online public access catalog) transaction logs that examined the effects of screen changes in helping searchers improve their search behavior. Results show that while screen changes initially had a positive impact on search behavior, they were not always sustained over time. (Author/LRW)
Descriptors: Academic Libraries, Higher Education, Library Catalogs, Library Research
Peer reviewed Peer reviewed
Shires, Nancy Lee; Olszak, Lydia P. – RQ, 1992
Discusses basic principles of human-computer interface design that will be helpful to librarians involved in designing effective OPAC (Online Public Access Catalog) screens. Highlights include physical features; general principles; menu screens; commands; inquiry screens; messages, including help screens; and organizational considerations,…
Descriptors: Check Lists, Design Requirements, Library Catalogs, Man Machine Systems
Peer reviewed Peer reviewed
Elsbernd, Mary Ellen Rutledge; And Others – Research Strategies, 1990
Reviews the online public access catalog (OPAC) literature from 1980 through 1989 to assist librarians in their efforts to examine this growing body of literature. The 35 articles reviewed address the value of OPAC instruction, teaching methods, staffing needs, faculty education, and serving remote users. (Author/CLB)
Descriptors: Academic Libraries, Annotated Bibliographies, College Faculty, Higher Education
Peer reviewed Peer reviewed
Voorbij, Henk J. – Journal of Documentation, 1998
To compare the value of subject descriptors and title keywords as entries to subject searches, two studies were conducted, both concentrating on monographs in the humanities and social sciences held by online public access catalog of the National Library of the Netherlands. (Author/AEF)
Descriptors: Bibliographic Databases, Comparative Analysis, Foreign Countries, Humanities
Peer reviewed Peer reviewed
Efthimiadis, Efthimios N. – Journal of the American Society for Information Science, 1990
Discusses the patterns of growth of literature concerning online public access catalogs (OPACs) in the field of library and information science for the years 1970-85. The least squares method and the May procedure, which were used in the study, are explained, and application of the logistic model is described. (16 references) (LRW)
Descriptors: Information Science, Least Squares Statistics, Literature Reviews, Models
Peer reviewed Peer reviewed
Zorn, Margaret; Marshall, Lucy – Special Libraries, 1995
Describes a study by Parke-Davis Pharmaceutical Research Library to determine user satisfaction with the graphical user interface-based (GUI) Dynix Marquis compared with the text-based Dynix Classic Online Public Access Catalog (OPAC). Results show that the GUI-based OPAC was preferred by endusers over the text-based OPAC. (eight references) (DGM)
Descriptors: Comparative Analysis, Computer Software Development, Online Catalogs, Surveys
Peer reviewed Peer reviewed
Gillespie, Thom – Journal of Education for Library and Information Science, 1993
Presents the reflections of a designer of visual interfaces for online public access catalogs regarding the importance of a historical perspective for design practices. Topics discussed include cognitive psychology research; conventions for organizing information; and the ongoing process of changes in media. (LRW)
Descriptors: Cognitive Psychology, Designers, Information Management, Man Machine Systems
Hert, Carol A. – Proceedings of the ASIS Annual Meeting, 1992
Presents preliminary findings of a study that developed descriptions of the behaviors and underlying cognitive processes observed during information retrieval interactions. Data from talk-aloud protocols and postsearch interviews from users of online public access catalogs in academic libraries are examined. (20 references) (LRW)
Descriptors: Academic Libraries, Cognitive Processes, Higher Education, Induction
Peer reviewed Peer reviewed
Marchionini, Gary – Journal of the American Society for Information Science, 1992
Discusses essential features of interfaces to support end-user information seeking. Highlights include cognitive engineering; task models and task analysis; the problem-solving nature of information seeking; examples of systems for end-users, including online public access catalogs (OPACs), hypertext, and help systems; and suggested research…
Descriptors: Hypermedia, Information Needs, Information Seeking, Library Catalogs
Peer reviewed Peer reviewed
Wilder, Dean; Greenfield, Rich – Library Hi Tech, 1997
Describes the Library of Congress's Experimental Search System (ESS), a Web-based online public access catalog that introduced new search methods to replace Boolean searching as well as powerful navigational aids for browsing and cross-linking. Discusses problems, ESS user comments, acceptance by Library of Congress staff, and future…
Descriptors: Electronic Libraries, Futures (of Society), Library Automation, Library Catalogs
Peer reviewed Peer reviewed
Millsap, Larry; Ferl, Terry Ellen – Information Technology and Libraries, 1993
Describes a study that examined the search behavior of remote users of the University of California MELVYL online public access catalog by analyzing the transaction logs. Highlights include the number of searches, databases searched, number of retrievals, constructing search commands, problems with search terms, and effectiveness of searches.…
Descriptors: Academic Libraries, Databases, Higher Education, Information Retrieval
Gant, Stephen P. – Proceedings of the ASIS Annual Meeting, 1995
Discussion of information filters focuses on the results of the first phase of a user study of a filter and describes the background, experience, and computer usage habits of the subjects before they began using the filter. Topics include e-mail; listservs; and information searching tools, including library online public access catalogs.…
Descriptors: Adoption (Ideas), Electronic Mail, Information Seeking, Learning Experience
Peer reviewed Peer reviewed
Cherry, Joan M.; And Others – College and Research Libraries, 1994
Reports on the results of two experiments testing the effectiveness of a concept-based computer tutorial for OPAC (online public access catalog) users. Factors that may have caused differences in results, including OPACs used in the experiments and the participants' different ability levels, are discussed. Findings are related to similar studies.…
Descriptors: College Libraries, Computer Assisted Instruction, Concept Teaching, Higher Education
Nelson, Nancy Melin – Computers in Libraries, 1992
Presents highlights of research that used industrywide surveys, focus groups, personal interviews, and industry-published data to explore the future of electronic information delivery in libraries. Topics discussed include CD-ROMs; prices; full-text products; magnetic tape leasing; engineering and technical literature; connections between online…
Descriptors: Databases, Electronic Libraries, Futures (of Society), Interviews
Christensen, Paul – Wilson Library Bulletin, 1991
Discussion of planning for automation in school libraries focuses on plans in the North Kitsap (Washington) School District. Highlights include selection of microcomputer-based hardware and software to support local area and wide area networks; a circulation system and an online public access catalog (OPAC); and database creation and retrospective…
Descriptors: Computer Software, Computer Software Selection, Elementary Secondary Education, Learning Resources Centers
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