Matrix Diagrams

A quality analysis tool that arranges information in a row-and-column grid to examine how items relate to each other. It makes the strength or weakness of connections among factors, causes, and objectives visible within the matrix structure.

Key Points

  • Displays relationships among two or more sets of items using a matrix layout.
  • Indicates relationship strength (for example: strong, moderate, weak) with symbols, numbers, or weights.
  • Common forms include L, T, Y, X, C, and roof matrices, chosen based on how many groups are being compared.
  • Helps prioritize work, reveal gaps, and assign ownership by clarifying where connections are strongest or missing.

Example

A project team maps customer requirements (rows) against proposed product features (columns). They mark strong links with a 9, moderate with a 3, and weak with a 1. The highest row totals show which features most strongly satisfy customer needs, guiding design priorities and trade-off discussions.

PMP Example Question

Which tool should a project manager use to assess how strongly product features address specific customer needs by showing relationship strength across rows and columns?

  1. Affinity diagram
  2. Matrix diagram
  3. Scatter diagram
  4. Control chart

Correct Answer: B — Matrix diagram

Explanation: A matrix diagram displays the strength of relationships between two or more groups of items in a structured grid, making it ideal for evaluating how well features satisfy requirements.

Leadership for Project Managers Course

Lead with clarity, confidence, and real impact. This Leadership for Project Managers course turns day-to-day challenges—unclear priorities, tough stakeholders, and cross-functional friction—into opportunities to guide teams and deliver outcomes that matter.

You’ll learn practical leadership skills tailored to project realities: setting direction without overcontrol, creating alignment across functions, and building commitment even when authority is limited. We go beyond theory with tools you can use immediately—one-sentence visioning, stakeholder influence maps, decision framing, and feedback scripts that actually land.

Expect hands-on frameworks, real-world examples, and guided practice to prepare for tough moments—executive readouts, resistance from stakeholders, and high-stakes negotiations. Downloadable templates and checklists keep everything actionable when the pace gets intense.

Ready to influence without waiting for a bigger title? Join a community of ambitious PMs, sharpen your edge, and deliver with purpose—project after project.



Advance your Lean Six Sigma expertise!

HK School of Management helps you take Lean Six Sigma to the next level—without the overwhelm. Master advanced statistical tools, Excel-based analysis, and real-world improvement techniques to solve complex problems with confidence. For the price of lunch, you get practical templates, guided examples, and hands-on project experience you can use immediately at work. Backed by our 30-day money-back guarantee—zero risk, real impact.

Learn More