Playback Theatre: An Investigation Into Applied Theatre and Communities of Meaning, with Specific Reference to Education and Health. Peter R. Wright B.A. (U.N.E.), M. Ed. (Stud.) (U. N’cle), M. Psyc. (Ed.) (U. N’cle), Dip. Teach. (R.C.A.E.), Dip. Soc. Sc. (U.N.E.). A thesis submitted for the degree of Doctor of Philosophy of the University of New England.