";he most surprising part of the 1985 Jeffery-Lawrence study appeared a
the very end, when they investigated the productivity of 24 projects for thch
no estimates were prepared at all. These projects far outperformed all the oth-
ers (see Table 5-3). 1

Projects on which the boss applied no schedule pressure whatsoever (“Just
wake me up when you're done.”) had the highest productivity of all. Of