1 Investment Register with the U.S. Embassy â If you are planning a visit to Angola, let us know by sending an email to the contact addresses on this page. 2  Visit the website of ANIP, the Angolan Private Investment Agency here.
The founder of cognitive behavioral therapy is Aaron T. Beck, M.D., who graduated from Brown University and Yale Medical School.
Skinner developed his principles of behaviorism and invented the concept of operant conditioning and reinforcement. He conducted various experiments concerning his principles of operant conditioning and reinforcement and developed various behaviorism theories that have helped to shape the field of psychology as we view it today.