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Peer reviewedChignell, Mark H.; Gwizdka, Jacek; Bodner, Richard C. – Information Processing & Management, 1999
Introduces an evaluative framework for metasearch engine performance and illustrates its use in two experiments. Results are used to characterize some properties of leading search engines (as of 1998). Significant interactions were observed between search engine and two other factors: time of day and Web domain. (Author/AEF)
Descriptors: Computer System Design, Evaluation Criteria, Evaluation Methods, Information Retrieval
Peer reviewedBurns, Catherine M.; Vicente, Kim J. – Information Processing & Management, 1996
Describes an empirical evaluation that investigated the criteria by which designers of human-machine systems evaluate design information. Professional designers of nuclear power plant control rooms rated hypothetical information search questions in terms of relevance, importance, cost, and effort based on Rouse's model of information search…
Descriptors: Computer System Design, Correlation, Costs, Designers
