Interpretive dynamic transactional analysis psychotherapy (IDTAP) a psychodynamic approach to transactional analysis (TA) psychotherapy. It is based on Eric Berne’s original theories, which were distinctly psychoanalytic, combining it with modern psychodynamic, predominantly object relations, concepts. The main aim of IDTAP is the resolution of internal psychological conflicts that underpin the individual’s presenting issues, symptoms, functioning, and relationships issues.