The purpose of this research was to study the relationship between the work and career development and psycho-social development among adult corporate employees and also to figure out these development processes. A questionnaire was administered on a website to 280 business persons working in multiple companies in the Tokyo metropolitan area. As a background, D.E. Super’s career development theory and E.H. Erikson’s psycho-social development theory were used as basic theories to create “Integral model for demonstrating the relationship between career development and psycho-social development”. The model was considered best fit by covariance structure analysis. The results of the study are summarized as follows:
The attitude towards work through career development has an effect on psycho-social development.
The attitude towards work has an effect directly on psycho-social development.
Until adolescence, psycho-social development has an effect the attitude towards work and career development.
The way to dissolve opacity of career is to promote psycho-social development in adulthood.