How's this for challenging the consensus...
SMART goals are dumb. That's the conclusion of a study by the Leadership IQ consultancy, which found that so-called SMART goals – goals that are specific, measurable, achievable, realistic and time-sensitive – don't correlate with success.
http://www.theglobeandmail.com/report-on-business/managing/morning-manag...
http://www.leadershipiq.com/thought-leadership/blog/are-smart-goals-dumb