many unintended consequences of the misuse of metrics that Muller cites are the following:
Inducing people whose performance is measured to divert their efforts to what gets measured;
Promoting short-termism (as in Wall Street's obsessive preoccupation with quarterly earnings reports at the expense of companies' long-term health);
Discouraging innovation and risk-taking;
Sidetracking nonprofit staff members (or corporate employees, for that matter) from focusing on the mission that motivates them; and
** Forcing employees to spend time logging data instead of doing their jobs
Muller concludes The Tyranny of Metrics with a useful checklist of ten questions that any manager should ask when considering the application of metrics at work.