Includes bibliographical references (p. 167-180) and index.

Section one: the theory of influence and change -- Introduction and overview -- Psychosocial systems and the exercise of influence -- The zone of proximal development, activity and semiotics -- The means of influence -- The organization of activity -- Unifying the study of culture and psychology: philosophical and scientific issues -- The practice of influence and change -- Influencing and change: delta theory of practice -- A natural history museum of influence and change: dioramas -- Who influences?: the Triadic model of influence and change -- Basic tactics & strategy in designing influence -- Cultural patterns in the practice of influence -- Appendix. criteria, standards, and guidelines for a unified universal theory.