Everyone who has done research on productivity and goal setting has learned the acronym S.M.A.R.T, which refers to a specific, measurable, attainable, relevant and temporal database. This acronym has its origin in a famous 1953 Yale study, where a class was followed after graduating and those who had written down specific life time goals had earned far more money than their classmates. This sounds really great, the problem there is no record of this study ever existing. This is one of the interesting things I am learning reading the book The Antidote-Happiness for People Who Can’t Stand Positive Thinking