These stages are- (i) exploration stage, (ii) establishment stage, (iii) mid-career stage, (iv) late career stage, and (v) decline stage. These career development stages have also been used by other authors on career management, such as Edgar Schein (), Daniel Levinson (), etc. Jun 12, · Psychologist Daniel Levinson developed a comprehensive theory of adult development, referred to as the Seasons of Life theory, which identified stages and growth that occur well into the adult .
Based on adult development theory, Weiler and Schoonover have identified six stages of adult career development from late teens through postretirement. It is common to experience difficult periods of transition as we pass from one stage to the next, and people vary widely in their progression through the stages.