05. Testing & Validation

Does Anyone Actually Need This?

Table of Contents
In: 05. Testing & Validation

Testing & Validation for Real-World Use

Why This Stage Matters

You can write beautiful code, launch a polished app, and still miss the mark completely, if no one uses what you’ve built.

That’s why Testing & Validation isn’t just about finding bugs. It’s about finding out if your project solves a real problem for real people.

This stage helps you:

  • Make sure your solution is useful
  • Avoid wasting time building the wrong thing
  • Gather insight before investing more effort
  • Adjust your direction based on feedback

Validation isn’t the end of building, it’s the start of building smarter.


Step 1: Ask Yourself What Success Looks Like

Before you test anything, define success in human terms.

  • What change should someone experience after using your tool?
  • What problem should go away?
  • How will you know it’s working?

Example:
If you're building a scheduling tool for nonprofit volunteers, success might mean “people sign up without needing help” or “a coordinator doesn’t have to manually follow up.”

If you can't define that clearly, you're not ready to validate yet.


Step 2: Get Real People to Try It (Even If It’s Rough)

You don’t need a polished UI. You need a real user interaction.

Try one of these lightweight validation methods:

  • 1:1 feedback sessions
    Show someone your tool and watch how they use it
  • Task tests
    Give someone a goal and see if they can complete it
  • Early access with a feedback form
    Let a small group try the MVP and ask what worked, what didn’t, and what was confusing

Don’t wait for perfection, early is better than polished.


Step 3: Watch for Pain, Not Praise

Polite feedback doesn’t help you improve. Useful feedback comes from moments of friction.

Look for signs like:

  • Users pausing or hesitating
  • Confused questions like “What does this do?” or “Where do I click?”
  • People dropping off before completing a task
  • Suggestions that keep repeating

You don’t need a hundred testers. You just need a few honest ones.


Step 4: Use Validation to Refine Scope

Validation isn’t just about what’s broken. It tells you what to focus on next.

Ask yourself:

  • What features did people actually use?
  • What did they ignore or misunderstand?
  • What got the most positive reaction?
  • What part felt unnecessary or bloated?

Use this to clean up your roadmap. Drop what isn’t working. Double down on what is.


Step 5: Validate Accessibility Too

Real validation means everyone can use your software, not just users like you.

Check:

  • Can someone navigate without a mouse?
  • Does it work well on slow connections?
  • Can a screen reader user understand what’s happening?
  • Does it make sense to someone unfamiliar with the tech?

If your software only works for a narrow group, you’re missing the bigger impact.


TL;DR

  • Validation means checking if your software actually helps people, not just if it runs
  • Define success based on real-world outcomes
  • Watch how people use your tool, not just what they say
  • Focus on what’s working and drop what isn’t
  • Make sure it works for everyone, not just people like you
Written by
Cory Chris
Cory Chris leads the Software for Progress Foundation, helping developers build Open Source tools for education, accessibility, and social good through mentorship and community support.
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