Truth 10. Think you’re a great leader? Think again

The scene is so famous that all we have to do is mention the title of the movie to know exactly what we’re talking about: When Harry Met Sally. In case you’re not a moviegoer, there’s the setup. Harry and Sally are sitting in a New York diner comparing his perceived track record of excellent, um, performance against general demographic statistics that reflect an overall dissatisfaction among women. His point: Yes, but I’m different. Her point: Every man thinks he’s an exception to the statistics. And then she says, “You do the math.”

Workplace math is showing a similar disconnect between perception and reality. A study reported in late 2006 showed that 92 percent of managers say that they’re ...

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