The role of external representation in the writing process: implications for the design of hypertext-based writing tools

ABSTRACT

The long-range goal of the research reported here is to study the role of hypertext-based external representations in augmenting performance on a cognitively complex task, in particular, on a synthesis writing task. The production of a written synthesis is a challenging task that requires managing large amounts of information over an extended period of time. Thus, synthesis writing is a task that is well-suited for testing the potential of hypertext technologies to support work on complex tasks. From a case study of experts and novices, we have developed a theory of the cognitive processes involved in producing a written synthesis. We have also developed a preliminary theory of the role of external representations in the writing process. We have drawn upon these two theories to design several hypertext-based external representations that we believe will augment writers' performance on a written synthesis task. The hypertext-based applications include a general graph object and a table object; these objects form the foundation for a set of specialized tools to support synthesis writing, namely, a summary graph, synthesis grid and synthesis tree.

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INDEX TERMS

Primary Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING

Additional Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING
        D.2.10 Design**
            Subjects: Methodologies**

  H. Information Systems
  H.3 INFORMATION STORAGE AND RETRIEVAL

  I. Computing Methodologies
  I.2 ARTIFICIAL INTELLIGENCE

General Terms:
Design