It is popular to talk about using a problem-driven approach to guide the design of computer-based tools. It is not always so easy, however, to determine just what the significant problems are within some existing work environment. A thorough cognitive task analysis can provide valuable guidance in understanding the nature of existing problems and in designing solutions. In this paper, the use of multiple sources of data are explored in completing such a task analysis in order to design tools to support individuals preparing input for a full-text database.
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