(TA): System of psychotherapy created by psychiatrist Eric Berne, M.D. (d. 1970), and the subject of two bestsellers: Games People Play: The Psychology of Human Relationships (1964) and I'm OKYou're OK (1967). Fundamental to TA is the hypothesis that "ego states"attitudes during transactions and corresponding sets of behavior patternsfall into three categories: parental (preceptive or didactic, admonitory), adult (evaluative), and childlike (emotional and creative).