Pugh Matrix (Decision Matrix)

A Pugh Matrix, also known as a decision matrix or concept selection matrix, is a qualitative tool used to evaluate multiple concepts or alternatives against a set of criteria. It was developed by Stuart Pugh as a method for making more objective decisions during the product design process.

The core idea is to establish a "baseline" or "datum" concept, which can be the current standard or one of the new ideas. All other concepts are then compared to this baseline for each criterion, scoring them as "Better" (+), "Same" (S), or "Worse" (-). By summing the scores, the team can identify the most promising concept(s) for further development.

The toolbar at the top of the page contains all the actions you need to manage your matrix:

• New   Clears the matrix and starts a blank analysis.
• Load   Opens a previously saved .json file and restores all configurations in read-only mode.
• Load Example   Loads a pre-filled example matrix so you can explore the tool and see how the Results section works.
• Revise   Only available when a document is in read-only mode. Opens a dialog to register a new revision, then unlocks all fields for editing.
• Save   Downloads the complete analysis as a .json file, including all matrix data and revision history.
• Export PDF   Generates and downloads a fully formatted PDF report containing the completed matrix and winning concept summary.

• Step 1 — Add Criteria & Concepts: Go to the Data Input & Matrix tab. Add your evaluation criteria (e.g., Cost, Weight) and your different ideas/alternatives.
• Step 2 — Generate Matrix: Click "Update Matrix" to construct the interactive decision table.
• Step 3 — Evaluate: Select a baseline concept. Set weights for each criterion (1-5). For each concept and criterion, compare it to the baseline by setting the score to +, S, or -.
• Step 4 — Review Results: Switch to the Results tab to see the calculated scores and the winning concept, automatically updated based on your inputs.
• Step 5 — Save & Export: Use the Save button to download a .json file, or use Export PDF to download a visual summary report.