“…In addition, decision-makers can assess whether they are providing managers with a breadth of challenges over their careers. In particular, organizations should monitor the developmental track records of women and minorities (Borwick, 1992; National Academy of Public Administration, 1992), because succession plans are less successful in advancing these groups of managers than in advancing white males (Curtis & Russell, 1993), and limited variety in developmental assignments is one explanation for the career blocks experienced more frequently among these managers Van Velsor & Hughes, 1990).…”