Leaderboard

Long term performance is to be treated differently compared to short term performance as there is a scope of random variations that could be introduced in the process because of several changes which could be but not limited to new employees in the process, change in measuring standards and/or any abnormalities that could have run into the process. As the scope for this to happen in measuring short term performance is less, and as there would be more number of subsets in long term(of short term), the performance could most probably come down in long run. This is even supported with the calculations of Short and long term sigma where usually the long term sigma is a difference of short term sigma and 1.5(one point five sigma) to attain long term sigma value.