This essay addresses issue of uniformity or consistency in application of subject headings--as distinct from consistency among headings--to books on any given topic. Discussion covers purpose of subject headings or descriptors, reliability of choices made by catalogers when assigning subject headings, and card and online catalogs. (18 references)…

Discusses the definition of an online library catalog; five factors to be considered by the online catalog designer; user-computer communication (error messages, help screens, prompts, unnatural language); online tutorials and offline instruction offered by bibliographic instruction librarians; and the current situation. Nine references are…

A survey of 430 users of online catalog at Ohio State University Libraries found that most users are undergraduate students (68 percent) and that majority (95 percent) choose online catalog as first source of information. Fewer performed known-item searches and success rates were generally higher than reported in earlier studies. (8 references)…

Describes an experiment conducted at the University of Illinois at Chicago that was designed to determine whether adding a substantial number of subject headings would raise circulation rates. The effects of added contents notes, keyword searching, browsing, and displays on the online catalog are examined, and further research is suggested. (27…

Analyses of the success-failure rates and user reactions using four public access online systems indicate that users overwhelmingly preferred the online to manual systems. Improved subject access emerged as the salient feature requiring improvement. Seven references are included. (Author/RAA)

Suggests improvement to online catalogs based on a 2 1/2 year study of patron search patterns. Preliminary findings indicate significant differences in search strategies and suggest that these strategies and the reasons patrons choose them should be important factors in the design of future online catalogs. Fourteen references are included.…

Describes a study conducted at Ohio State University that used data obtained from the interlibrary loan process to determine why some users failed to find existing entries in the online library catalog. User errors as opposed to catalog errors are examined, and implications for bibliographic instruction are suggested. (eight references) (LRW)

Describes results of a survey conducted at Indiana State University libraries that studied patron perceptions and demographics related to keyword searching on LUIS, the online public access catalog (OPAC) available through NOTIS (Northwestern Online Total Integrated System.) Demographics studied include age, status, frequency of LUIS use, and…

In-person interviews were conducted with 147 randomly selected students to study usage of microfiche serials holdings list to determine accessibility and retrievability of periodical issues housed in four separate locations in California Polytechnic State University Library. Results showed that 80.6 percent of students were successful in their…

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)

Results of study on patron information retrieval success and patron use patterns at Ohio State University show that 90 percent of online users preferred online to card catalog; 64 percent of those who tried online catalog switched to it; and patrons used the online more than the card catalog. References are provided. (EJS)