A final principle companies should embrace when trying to improve organizational health is simplicity. In short, don’t let the metrics get out of hand. Companies sometimes try to impose a comprehensive set of health measures on each employee, though a handful of well-chosen ones would suffice. A certain organization, for example, discovered that over time it had captured so many hundreds of competencies in its performance-management processes that it couldn’t manage any of them actively. Similarly, a professional-services firm we studied introduced a suite of health-related metrics so complicated and bureaucratic that few employees took them seriously.