Transactional analysis¹, commonly known as TA to its adherents, is an integrative approach to the theory of psychology and psychotherapy. Integrative because it has elements of psychoanalytic, Humanist and Cognitive approaches. It was developed by Canadian-born US psychiatrist Eric Berne during the late 1950s.

1. Transactional analysis. (2009, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 15:10, February 26, 2009, from http://en.wikipedia.org/w/index.php?title=Transactional_analysis&oldid=272752001