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| Chignell, Mark H. | 2 |
| Bodner, Richard C. | 1 |
| Gwizdka, Jacek | 1 |
| Lacy, Richard M. | 1 |
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| Journal Articles | 2 |
| Reports - Descriptive | 1 |
| Reports - Research | 1 |
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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
Chignell, Mark H.; Lacy, Richard M. – Academic Computing, 1988
Developed for the freshman writing program at University of Southern California (USC), Project Jefferson has two goals: to develop a model of computer-based instruction that includes the use of research tools and an interface that can be used with courseware in other disciplines; and to develop a researcher's notebook that permits easy access to…
Descriptors: Computer Assisted Instruction, Computer System Design, Courseware, Formative Evaluation
