COGEVAL: Applying Cognitive Theories to Evaluate Conceptual Models

COGEVAL: Applying Cognitive Theories to Evaluate Conceptual Models

Stephen Rockwell (University of Tulsa, USA) and Akhilesh Bajaj (University of Tulsa, USA)
Copyright: © 2005 |Pages: 28
DOI: 10.4018/978-1-59140-471-2.ch012
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Abstract

Conceptual models have been evaluated along the dimensions of modeling complexity (how easy is it to create schemas given requirements?) and readability (how easy is it to understand the requirements by reading the model schema?). In this work, we present COGEVAL, a propositional framework based on cognitive theories to evaluate conceptual models. We synthesize work from the cognitive literature to develop the framework and show how it can be used to explain earlier empirical results as well as existing theoretical frameworks. We illustrate how COGEVAL can be used as a theoretical basis to empirically test readability. Unlike much of the earlier empirical work on readability, our approach isolates the effect of a model-independent variable (degree of fragmentation) on readability. From a practical perspective, our findings will have implications for both creators of new models and practitioners who use currently available models to create schemas.

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