Responsibility for others is one of the chief causes of tension in executives. To prove this idea, an experiment was conducted some time ago with two monkeys. Scientists devised a method of giving one of the monkeys "executive" training under carefully controlled laboratory conditions.

The monkey chosen for executive training was strapped in a chair with his feet on a plate capable of giving him a minor electric shock. Then they put a light over the desk and turned the light on 20 seconds before each shock. A…