Design -concept- subject relation in this study was examined through personality disorders being one of the main fields of psychology. Identity, personality and character form a whole inseparable from human life. The issues such as "is it possible for such concepts related with life to come along with architecture" and "to affect the physical and lexical characteristics of product in designing behavioral characteristics of a person he / she show in daily life. Personality can be defined, described, suggested and it is stable. Personality disorder is, on the other hand, the situation seen when the personality features are enlarged and ruined the environmental compliance, caused a malfunction and personal disorder. Based on this general definition of personality and personality disorder, this basic question is asked: Is it possible to create an interdisciplinary design model through the concepts of psychology in design of an architectural product? Within this question, this study is conducted in Karadeniz Technical University, Department of Architecture, and Project - 4 Course. In the subject of project given to project group, the place is defined as "house" and the concept is given as "personality disorder". Each of the students has chosen a different personality disorder and the house was designed in line with the main concepts of chosen personality disorder. Within this scope, the study consists of notional definitions of personality and personality disorders and the content and results of experimental design study conducted with project group. The aim of study is to investigate the chance to design product through the concepts of different disciplines, not through the concepts only belong to architecture in the process of architectural product. (C) 2015 The Authors. Published by Elsevier Ltd.