Proposes a method of evaluating information retrieval systems by concentrating on individual tools (commands, their menus or graphic interface equivalents, or a move/stratagem). A user would assess the relative success of a small part of a search, and every tool used in that part would be credited with a contribution to the result. Cumulative…

Presents viewpoints on several information retrieval user studies, and contains opinions regarding user characteristics; user training; expression of need or query formulation; conduct of a search; use of language; analysis of retrieved information; and satisfaction with outcome. Recommendations for future studies include classification of users;…

Describes a study that was conducted at the School of Library and Information Science, University of Western Ontario, to examine search behavior of users in a hypertext information retrieval system. The effects of gender, search task, and search experience on two search options--analytical or browsing--are discussed. (Contains 15 references.) (LRW)