The ability to be productive is not something that is evenly distributed to each human. Take five random people and give them all the assignment to create a storage shed and a week to work on it. At the end of a week, how much variance would you expect to find? Some individuals wouldn't have started while others would be completely finished. There are several reasons for this. If one of your subjects happens to be a carpenter, it makes sense that he would make more headway than the Wal-mart clerk. So skill and past experience definitely have an impact. However, there is another difference that is even more important that has to do with how different people see a problem and what … [Read more...] about How big are your blocks?