The aim odf the text is to point out to the presence of developmental psychology ideas in concepts and theories of Tansactional Analysis, which is not generally considered to be a complex psychological systém. Authors are introducing some of the Transactional Analysis concepts as well as pointing out how, in which context and with help of which conceptual aparut human development is included in those concepts.
They are also seeking for similitarities and compatibility of Transactional Analysis concepts and traditional develomental psychology.