Managing Personality is grounded in the conviction that scientific understanding of personality requires measurement in order to describe phenomena in an objective, systematic fashion and to test theories. Many have argued that science progresses with improvements in instrumentation and methodology. Th e critical issue in the study of personality is being sure that each concept or theoretical term is measurable, with procedures that can be specifi ed and observed. Th is book is concerned with tactics and strategies for improving the relationships between ideas and observations.