Human Ressource Management

03 Personnel Selection


Question

How much does the General Mental Ability (Intelligence) of a person predict their job performance?


Answer

Meta analysis over wide range of jobs, intellegence explains:

  • 15% performance difference in low complexity jobs
  • 26% performance difference in medium complexity jobs
  • 33% performance difference in high complexity jobs

(1996)

  • 26% performance difference in low complexity jobs
  • 28% performance difference in medium complexity jobs
  • 41% performance difference in high complexity jobs

(2003)

Jobs have gotten more complex




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