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Peer reviewedSpink, Amanda; Wilson, T. D.; Ford, Nigel; Foster, Allen; Ellis, David – Journal of the American Society for Information Science and Technology, 2002
Discussion of mediated successive searches conducted by intermediaries using the Dialog online service focuses on reasons, frequency, and characteristics of successive searches. Data is based on a longitudinal study conducted in the United Sates and the United Kingdom that investigated the processes of mediated information retrieval searching…
Descriptors: Foreign Countries, Information Retrieval, Information Seeking, Longitudinal Studies
Peer reviewedEllis, David; And Others – Journal of the American Society for Information Science, 1996
Describes an investigation of the relationship between the levels of interlinker consistency obtained among a group of full-text databases in which internodal links were inserted, and the effectiveness of searches carried out in those databases. Topics include interindexer consistency and retrieval system evaluation. (Author/LRW)
Descriptors: Correlation, Evaluation Methods, Full Text Databases, Hypermedia
Peer reviewedEllis, David; Wilson, T. D.; Ford, Nigel; Foster, Allen; Lam, H. M.; Burton, R.; Spink, Amanda – Journal of the American Society for Information Science and Technology, 2002
Describes studies conducted at the University of Sheffield that explored the variables during mediated online search interaction. Discuses aspects of the mediated search process, including user satisfaction; relevant information sources; and interaction measures derived from search logs and tape transcripts, and related interaction measures.…
Descriptors: Information Seeking, Information Sources, Measurement Techniques, Online Searching
Ford, Nigel; Wilson, Tom; Ellis, David; Foster, Allen; Spink, Amanda – Proceedings of the ASIS Annual Meeting, 2000
Provides preliminary results from a study of mediated information retrieval at the University of Sheffield (United Kingdom) based on data from 121 information seekers who requested mediated searches. Focuses on results related to the relationship between participants' gender, cognitive styles, and information seeking behaviors. (Contains 21…
Descriptors: Cognitive Style, Foreign Countries, Gender Issues, Higher Education
Peer reviewedWilson, T. D.; Ford, Nigel J.; Ellis, David; Foster, Allen E.; Spink, Amanda – Journal of the American Society for Information Science and Technology, 2002
Explores the relationship between the concept of uncertainty in information seeking within a model of the problem-solving process and variables derived from other models, based on longitudinal data collected in the United Sates and the United Kingdom that investigated the processes of mediated information retrieval searching during human…
Descriptors: Foreign Countries, Hypothesis Testing, Information Retrieval, Information Seeking
Peer reviewedSpink, Amanda; Wilson, T. D.; Ford, Nigel; Foster, Allen; Ellis, David – Journal of the American Society for Information Science and Technology, 2002
Presents the theoretical framework and research design of a project based on longitudinal data collected in the United Sates and the United Kingdom that investigated the processes of mediated information retrieval searching during human information-seeking processes. Topics include problem-solving; uncertainty; cognitive styles; and…
Descriptors: Cognitive Style, Foreign Countries, Information Retrieval, Information Seeking
Spink, Amanda; Wilson, Tom; Ellis, David; Ford, Nigel – D-Lib Magazine, 1998
This study investigates the nature, manifestations, and behavior of successive searching by users in digital environments, and establishes criteria for use in the design of information-retrieval interfaces and systems supporting successive-searching behavior. Study includes two projects--one based at the University of North Texas, one at the…
Descriptors: Computer Interfaces, Computer System Design, Foreign Countries, Higher Education
Peer reviewedEllis, David – Journal of Documentation, 1989
Outlines a behavioral approach to information retrieval system design based on the derivation of a behavioral model of the information-seeking patterns of academic social scientists. The extent to which identified information-seeking characteristics are supported by existing systems is considered, and requirements for implementing these features…
Descriptors: Behavior Patterns, Behaviorism, Computer System Design, Higher Education
