one-three-one-rule

A 1-3-1 decision analysis framework structures a technical proposal by defining one problem statement, three options with pros and cons, and one concrete recommendation to guide competing approach selection.

Structure architecture decision analysis by stating a single problem, detailing three options A/B/C with pros and cons, and delivering a recommendation with a definition of done and implementation plan.

Use a 1-3-1 framework for tool selection and refactoring strategies when you need structured decision-making to compare multiple technical approaches and require a verifiable, repeatable output format.

The best way to present technical trade-off analysis is a 1-3-1 format: one problem statement, three option blocks with pros and cons, and one recommendation paired with a definition of done.

Yes, you can use the 1-3-1 format to compare refactoring strategies and architecture decisions by generating three option blocks with pros and cons and delivering a concrete recommendation with an implementation plan.