see
- http://redsquirrel.com/dave/work/babySteps/
- http://donaldr.noyes.com/ThinkingOutLoud/FirstStepping.htm
Maybe you are looking for
- SmallSteps
- VerySmallSteps
- MakeTheSmallestChangeThatCouldPossiblyWork
- MovingInTinyCertainSteps
- RefactoringInVerySmallSteps.