Principlev1
Run tool evaluations with bounded scope and parallel
Run tool evaluations with bounded scope and parallel baseline to create controlled comparisons rather than full-stack migrations.
Why This Is a Principle
This derives from behavior being a function of person and environment (Behavior is a function of both the person and their) and signal detection requiring baseline comparisons (Signal detection involves independent dimensions of). The principle prescribes controlled experimentation—using new tools on subset of work while maintaining old tools as control.