Self-determination theory grew out of the work of psychologists Edward Deci and Richard Ryan, who first introduced their ideas in their 1985 book Self-Determination and Intrinsic Motivation in Human Behavior.

When did self-determination start?

The concept was first expressed in the 1860s, and spread rapidly thereafter. During and after World War I, the principle was encouraged by both Soviet Premier Vladimir Lenin and United States President Woodrow Wilson.

What is self-determination in history?

During World War I, U.S. President Woodrow Wilson promoted the concept of "self-determination," meaning that a nation—a group of people with similar political ambitions—can seek to create its own independent government or state.