But no one knows yet what such changes mean in terms of human behavior.

That also made her a good student of human behavior.

On the job, she has seen a wide range of human behavior.

And then, the $10 million question: did human behavior have something to do with it?

She too could have changed the direction of the world and human behavior!

Or the effect of the full moon on human behavior?

It was, as he had learned years ago, simply human behavior.

Human behavior was already enough of a mystery to him.

Her marriage ended in 1929 and by 1930 she decided to go back to school to learn more about human behavior.

No one had any ideas how to change this reality of human behavior.