fastcompany:

Until recently we’ve only been able to speculate about story’s persuasive effects. But over the last several decades psychology has begun a serious study of how story affects the human mind. Results repeatedly show that our attitudes, fears, hopes, and values are strongly influenced by story. In fact, fiction seems to be more effective at changing beliefs than writing that is specifically designed to persuade through argument and evidence.

Why Storytelling  Is The Ultimate Weapon