Knowledge today is considered as a competitive advantage in organizations which give them a powerful tool to capture market share and to move on edge of technologies. To acquire and control such knowledge is difficult and expensive. Therefore using methodologies and technologies that assist in the acquisition, maintenance, and distribution of knowledge are essential to an organization’s success. In this way the most difficult activity in implementing the knowledge based systems is knowledge acquisition process which has always been a bottleneck in knowledge based systems development. One way to acquire and capture the knowledge from experts is to externalize the mental model of each expert using the personal construct theory and repertory grid technique introduced by Kelly (1955). Mental model of an individual is one shape of tacit knowledge which is a hypothetical knowledge structure that integrates the ideas, assumptions, relationships, insights, facts, and misconceptions that together shape the way an individual views and interacts with reality.
The Repertory Grid Technique introduced in this paper, uses the concept of the individual possession of personal constructs in an interview situation and from this is determined the individual’s views of the subject. We can use the technique of repertory grids in interviewing conditions to reveal views, information and attitudes.
For the reasons mentioned above, discussing mental models and how to externalize them is the main objective of this research. Particularly after reviewing the mental model theory, a comparative algorithm for externalizing of an expert’s mental model by the use of personal construct theory will be introduced. Finally for the sake of adding quality to research and proving the feasibility of applying this theory for knowledge acquisition process, a case study in this domain is performed.
|Keywords:||Knowledge Acquisition, Comparative Algorithm, Mental Model, Personal Construct Theory, Repertory Grid Technique, Constructs, Elements|
Manager of Planning and Control, Research Center, IRIB (Islamic Republic of Iran Broadcasting), Tehran, Tehran, Iran (Islamic Republic of)
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