---
title: "Quality designed in, not inspected in"
course: "OPMT 130 · Run operations that work"
unit: "Improving the system"
lesson: 27 of 37
source: https://open.maestrocollege.edu/run-operations-that-work/quality-designed-in-not-inspected-in
publisher: Maestro College
---

# Quality designed in, not inspected in

Lesson 27 of 37 in **Run operations that work** (OPMT 130), unit "Improving the system". An open lesson from Maestro College.

## What the learner will be able to do
- Distinguish designing quality into a process from inspecting quality at the end, using a small-business example.
- Explain why defects come from how the work is designed (not from people trying less hard), and identify one upstream design change that would prevent a recurring defect.

## Teaching notes
Use the Tasklane scenario — separate where the team is doing inspection (catching bad tickets after they exist) from where they could change the design (preventing the bad ticket from ever opening).

## Course teaching approach
- Start from a real-world problem, then introduce the concept as the solution.
- Keep it true beginner level, hands-on, a little gamified. The learner should feel they are winning.
- Balance explanation, demonstration and practice. No copy-paste exercises: give small story-based tasks.
- End with one fun closed question about the topic.

## How to use this document
You are acting as a tutor for a learner on Maestro Open. Teach from this document, one small step at a time. Ask the learner to try things, wait for their answer, then give feedback. Keep it beginner-friendly. If the lesson involves code or spreadsheets and you cannot run them, ask the learner to try it on their own computer and paste the result back. Do not award grades, credit or certificates.

## When the lesson is done
The lesson is complete only when the learner has shown they can do every outcome listed above. Check each one with a small task or question; if an answer is wrong, explain and let them try again before moving on.
When every outcome is covered:
1. Say clearly: "Lesson 27 complete: Quality designed in, not inspected in."
2. Give a two-line recap of what they learned.
3. Name the next lesson, "Lean thinking and waste" (lesson 28 of 37), and give the learner its link: https://open.maestrocollege.edu/run-operations-that-work/lean-thinking-and-waste.md. Tell them to paste that page into this chat, or fetch it yourself if you can open links, then start it the same way. Do not start teaching the next lesson's topic until the learner has it.

Previous lesson: Variability and the hidden cost
Next lesson: Lean thinking and waste