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13 - The performance model

Published online by Cambridge University Press:  22 October 2009

Sandra P. Marshall
Affiliation:
San Diego State University
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Summary

In chapter 7, cognitive maps were introduced as representations of data. A cognitive map is a graph structure constructed from an individual's oral or written response. The map represents the main details of the response as nodes that are linked in a network, and it preserves the relationships among ideas–revealed in the responses–as links between nodes. An important feature of the cognitive map is the way in which linkages are determined: Two nodes are connected by a link only if the verbal details represented by those nodes occur together in the verbal response.

The cognitive maps and networks provide the means by which an individual's knowledge base can be represented, and they provide immediate information about the size of the individual's knowledge store (i.e., by the number of nodes) and about the coherence and integration of that knowledge store (i.e., by the number and pattern of links). Figure 13.1 shows again the basic network derived for the full instructional session of SPS, and Figure 13.2 reproduces the networks obtained from two student interviews.

As demonstrated previously, cognitive maps are useful as a basis for the examination of group responses. Thus, as I described earlier, we can study similarities and differences among different groups by aggregating general characteristics of students'maps. For example, cognitive maps can yield information about broad categories of responses, such as the impact of abstract and specific details (see chapter 7).

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Publisher: Cambridge University Press
Print publication year: 1995

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  • The performance model
  • Sandra P. Marshall, San Diego State University
  • Book: Schemas in Problem Solving
  • Online publication: 22 October 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511527890.019
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  • The performance model
  • Sandra P. Marshall, San Diego State University
  • Book: Schemas in Problem Solving
  • Online publication: 22 October 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511527890.019
Available formats
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  • The performance model
  • Sandra P. Marshall, San Diego State University
  • Book: Schemas in Problem Solving
  • Online publication: 22 October 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511527890.019
Available formats
×