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The relation of knowledge organization to performance of a complex cognitive task

โœ Scribed by Barbara G. Wyman; Josephine M. Randel

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
193 KB
Volume
12
Category
Article
ISSN
0888-4080

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โœฆ Synopsis

The relationship between organization of knowledge in memory and level of proยฎciency in the performance of a complex cognitive task was evaluated. Based on their performance in a scenario, 42 Electronic Warfare (EW) technicians were categorized into 3 performance levels. To measure the organization of knowledge, the EWs rated all possible pairs of 24 concepts on degree of relatedness, and a Pathยฎnder net was created for each subject and for 2 expert EWs. A correlation of 0.40 between performance scores and a concept similarity measure indicates a signiยฎcant positive association between level of proยฎciency and knowledge organization. Both high and intermediate performance groups produced nets that were more similar to the expert net than were those of the low performance group.

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