If you're relying on the same decision-making process each time you have to make a tough choice, you're going about it all wrong, says billionaire and Virgin Group founder Richard Branson.

Branson writes in a recent blog post that smart leaders know to make a decision based on the specific nuances of each issue. And the most effective way to do that, he says, is by first determining if it's a one-way or two-way door decision.