Reports on a study that compared the behavior of two types of users (search specialists and subject matter specialists with no search experience) with two types of online information retrieval interfaces, including DIALOG. Highlights include data recording via transaction logs, structured interviews, and focus group discussions; and hypothesis…

Describes a study that investigated subject retrieval in a group of humanities databases. Scatter by subject field and type of search term is discussed, the effectiveness of natural language and of controlled vocabulary are compared, and implications for system designers concerned with end-user searches in the humanities are suggested. (37…

A 1989 study at Cornell University compared students' competence, behavior, and preference in searching the ERIC database on Silver Platter CD-ROM systems for IBM and Macintosh computers. Although no significant differences in search success were noted between the systems, the majority of students expressed a preference for the Macintosh's…

Describes research that was conducted to determine the search state patterns through which users retrieve information in hypertext systems. Use of the Markov model to describe users' search behavior is discussed, and search patterns of different user groups were studied by comparing transition probability matrices. (Contains 25 references.) (LRW)

Reports on a transaction log study of the online catalog at North Carolina State University-Raleigh that was conducted to determine users' searching behavior and the problems they experienced. Failure rates for various searches are examined, usage patterns are described, and results are compared with data from earlier studies. (seven references)…

Reports on a study that examined transaction logs of end users of PaperChase searching UM-MEDLINE at the University of Michigan to describe the use of various search features and to determine the effects of search experience on the use of search features. Boolean operators are discussed, and further studies are suggested. (23 references) (LRW)

Discussion of ready reference and current events collections in high school libraries focuses on a comparison of two CD-ROM services, EBSCO Topic Search and the SIRS Researcher. Considers licensing; access; search strategies; viewing articles; currency; printing; added value features; and advantages of CD-ROMs. (LRW)

Describes metasearch tools and explains their value in helping library media centers improve students' Web searches. Discusses Boolean queries and the emphasis on speed at the expense of comprehensiveness; and compares four metasearch tools, including the number of search engines consulted, user control, and databases included. (LRW)

This study investigated the effects of interface tools and learner cognitive styles on performance in searches for information within a hypermedia database. The subjects, 75 students in a university English as a Second Language (ESL) program, were blocked for field dependence and assigned to four treatments which differed by the search tool…

This article reports the findings of a study which compared three methods for teaching freshmen at Indiana State University how to use the library's online catalog. The methods were: (1) video projection, which used a large screen video projection system and an IBM-PC to present a "live" search; (2) dual television monitors, which substituted two…

Designed to evaluate the usefulness of the BIOSIS PREVIEWS database when searching the psychiatric literature, this study compared the effectiveness of this online database with the effectiveness of two other computerized databases, MEDLINE and PsycINFO (Psychological Abstracts), which psychiatric researchers and clinicians usually rely on when…

The variety of searchable and printable formats of Educational Resources Information Center (ERIC) data base records has led to different searching methods, which have fostered the confusing state of affairs wherein different results are possible for the same search; this 5-part report describes an investigation of ERIC online use that studied the…

This third volume of the Comparative Systems Laboratory (CSL) Final Technical Report is a collection of relatively independent studies performed on CSL materials. Covered in this document are studies on: (1) properties of files, including a study of the growth rate of a dictionary of index terms as influenced by number of documents in the file and…

A study of 191 juniors and seniors from 6 Oahu high schools tested their ability to interpret and construct search statements after reading brief instructions on concept analysis, Boolean operators, and search statement format. On average, students made two errors per statement; scores and types of errors are examined for influences of gender and…

Describes a study that explored Taiwanese college freshmen students' information searching strategies in Web-based science learning activities and examined the influences of students' self-efficacy on these strategies. Discusses the use of in-depth case studies and comparisons to analyze students' Web-based searching and learning achievement,…