Unitary Developmental Theory and Psychological Development Across the Lifespan, Volume 1

This book introduces Unitary Developmental Theory (UDT) to the field of psychology. The first of two volumes, it introduces the UDT model and examines its application to psychological development and mental-health recovery. The book presents a comprehensive model of UDT using 15 phases, showing how this model can be applied to fields including psychoanalysis, cognitive psychology and humanist psychology. It outlines how UDT was developed and can be used as an overarching model from which differe