Intelligence - Job
John E. Hunter attempt to estimate the relative contributions of general intelligence and context-specific knowledge in a very practical context: job performance in a range of jobs including manual jobs.
He found that IQ indeed correlated with job performance, but with knowledge as a mediating variable. This means that the best direct predictor of job performance was knowledge about the job, not IQ. IQ did relate to job performance, but not as directly as knowledge. Higher-IQ workers learn somewhat faster and therefore become more knowledgeable in their job sooner. But it's the knowledge that most directly accounts for the performance, however long a worker needed to accumulate it.
He found that IQ indeed correlated with job performance, but with knowledge as a mediating variable. This means that the best direct predictor of job performance was knowledge about the job, not IQ. IQ did relate to job performance, but not as directly as knowledge. Higher-IQ workers learn somewhat faster and therefore become more knowledgeable in their job sooner. But it's the knowledge that most directly accounts for the performance, however long a worker needed to accumulate it.
posted by King at
2:21 PM
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