Concept
Should time versus likely time
A *should*-estimate is pushed and never checked; a *likely*-estimate is pulled toward a record. The gap is what turns an on-schedule build into felt failure.
Where it appears
Treated in
- Part Two — How to PracticeStarting Is Expensive, Staying Is CheapWhy the same practice costs some people almost nothing and others everything: building momentum from a standing start is a different job than holding speed you already have.