Predicting Executive Success: The Intelligence vs. Personality Debate by Dave Heine, Ph.D.
Recent attention has been given to the notion of executive intelligence as a distinguishing trait of successful leaders. While the notion sounds intuitively sensible, the conclusions are overly simplistic, based on weak research (e.g., a sample size of only 35 people), and more importantly, fly in the face of decades of research contradicting the assertion that executive IQ is a superior way to predict success in executive jobs. This is not because cognitive ability is unimportant to such roles, of course. Rather, it is because cognitive ability is not particularly useful in distinguishing candidates from one another given the pool of talent from which executive level leaders are likely to be drawn. In fact, on commonly used measures of cognitive ability, scores do not differ materially across first-line managers, mid-level managers and executives. Read more