Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Conceptual definitions of choice, control, challenge, and agency. The organism/individual is represented by gray triangles, potential actions of the organism are represented by black arrows, and potential outcomes are represented by black location markers. The dashed lines represent (unpredictable) environmental factors, and the solid black circles represent obstacles (physical or mental).
