Mind & EverydayHow it works
How "do your best" became the worst goal there is.
Locke and Latham reviewed some 400 studies over 25 years. The result: specific, hard goals beat vague or easy ones in about 90 percent of investigations. Four things are needed – a measurable target, real difficulty, ongoing feedback, and commitment to the goal.
Useful: Replace "read more" with "20 pages before breakfast" and put the counter on the wall.
Source: en.wikipedia.org