Why do you do the things you do? Why did you brush your teeth this morning, go to work, or click on this post? And is it possible to change the way you behave? Motivation underlies all of our behavior ...

Fifty independent countries existed in 1920. Today, there are nearly two hundred. One of the motivating forces behind this wave of country-creation was self-determination. This is the concept that ...

Self-determination can be defined as, “the means for experiencing quality of life consistent with one’s own values, preferences, strengths, and needs” (Turnbull & Turnbull, 2001, as cited in ...