Abstract
The analysis of individual differences in component skills is used in examining the characteristics of more and less successful troubleshooters of electronics equipment. In one study, mental models of devices are explored. Skilled individuals' models are much more aligned with a true functional description of the device. Less-skilled individuals exhibit several consistent deficits in their models. In the remaining two studies, skill in executing a simple troubleshooting procedure is examined. Skilled troubleshooters were not only more successful, but results suggested that their errors were computational in nature, whereas less-skilled troubleshooters evidenced conceptual deficits as well. The findings are discussed in terms of new conceptualizations of testing and training complex skill.
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