Personality Tests are good in a generalised sort of way. It can give you a broad framework with which you can develop or rectify your personality. However it is fool hardy to conclude you will be successful just by discovering your personality type.
However, if it is your intention to use your personality type for further introspection - here is an excellent site . It incorporates both Carl Jung's theory of psychological types and the personality research of Myers-Briggs.
Hat Tip : juleen76
