Approach & methodology
16 min
September 20, 2024

How to integrate user feedback into the design process

As a product designer, I've learned one crucial thing over the years: user feedback is the black gold of design. Without it, we sail blindly along, guided only by our assumptions and prejudices. But how do we harvest this gold and, above all, turn it into design that shines?

Table of contents

The art of collecting

Imagine yourself as an explorer in a dense jungle. Your treasure? The precious nuggets of information that is user feedback. But beware: not all collection methods are created equal. You need to adopt a methodical, balanced approach to get a complete picture of your users' needs and frustrations.

Direct feedback: getting to the heart of the matter

User testing is like having a frank conversation with your best friend. User interviews are an excellent way of gaining a deeper understanding of user behavior and expectations. Whether in person, remotely, or even through short discussions, they offer unique qualitative insights. For example, during a fitness app project, we were convinced that our progress tracking interface was great.

During testing, one user spent five minutes trying to figure out how to add a new session. Painful, but highly instructive. Interviews revealed that poorly chosen wording was at the root of the confusion.

“Always observe a user interacting with your product. You'll learn more in five minutes of observation than in an hour of guesswork.”

Indirect feedback: the whispers of online behavior

Analytics is like being a digital detective. You follow the traces left by your users, deciphering their habits and preferences. Google Analytics, for example, provides key data such as bounce rate, time spent on a page, and navigation paths. But that's not enough. To capture behavioral nuances, use tools like Hotjar, FullStory or Clarity (by Microsoft, which is free). These heatmaps and session recording platforms reveal where users click, where they block, and where they leave. During an e-commerce project, Hotjar highlighted a “dead” zone on our product page, where we thought a key banner would attract clicks.

Questionnaires: the silent voice of the masses

Between direct and indirect feedback, there's one method I'm particularly fond of: questionnaires. It's like throwing a bottle into the sea, but with a much higher return rate!

Types of questionnaires

  1. Net Promoter Score (NPS)
    NPS is the Swiss army knife of feedback. Just one question: “On a scale of 0 to 10, how likely is it that you would recommend our product to a friend or colleague?” Simple, isn't it? Yet it's saved my ass more than once. On a productivity app project, our NPS went from 6 to 8 in three months after implementing the suggestions of the “detractors” (those who score 0-6). It was like having a superpower!
  2. Satisfaction questionnaires (CSAT)
    More detailed than the NPS, they enable us to assess satisfaction with different aspects of the product.
  3. Usability questionnaires (SUS - System Usability Scale)
    10 standardized questions to assess ease of use. It's like having a complete check-up of your interface.

When to use them?

  1. Asynchronous questionnaires: It's like sending a postcard to your users. They respond when they feel like it.
    Advantages :
    • Enables thoughtful responses
    • Can cover several aspects of the product
    Disadvantages :
    • Response rate sometimes low
    • Risk of memory bias
    I often use these questionnaires for quarterly evaluations or after the launch of a major new feature.
  2. Questionnaires in the user flow: It's like asking someone for their opinion right after they've tasted your dish.
    The advantage? Fresh, contextualized feedback.
    Examples :
    • Mini-survey after a transaction
    • Quick question after using a new feature
    I once implemented a mini-questionnaire just after the checkout process on an e-commerce site.

    Result ? We discovered that 34% of users found the shopping cart validation process confusing. A little redesign later, and our conversion rate jumped by 14%!

Tips for effective questionnaires :

  1. Keep it short: 10-15 questions max. Time is precious.
  2. Vary the types of questions: Closed-ended for quantifiable data, open-ended for qualitative insights.
  3. Be specific: “How do you like our new filtering function?” is better than “What do you think of our app?
  4. ”Use scales: The good old 1 to 5 is still effective for measuring satisfaction.
  5. Leave room for surprise: An open-ended question at the end can reveal unexpected nuggets.
“A good questionnaire is like a conversation: you have to know how to listen as well as how to ask questions.”

The big advantage of questionnaires? They enable you to reach a wide range of users, including those who would never have the time to take part in a full user test.

But beware of bias! The people who respond are often those who have a very positive or very negative opinion.

To find out more, read an article by Nielsen Norman Group: User-Feedback Requests: 5 Guidelines

Polls and surveys: giving users a voice

In-app surveys, such as those offered by Typeform or SurveyMonkey, capture data directly from your active users. They offer an overview of their impressions, while asking targeted questions. A quick poll in a mobile app, for example, can reveal whether a user is satisfied with the purchasing process, or if they're encountering any obstacles.

The alchemy of analysis

Now that you've harvested your raw gold, how do you refine it?

  1. Sort: Not all comments are created equal. Look for patterns, recurring problems.
  2. Contextualize: An isolated comment can be a special case. Several similar comments?
  3. Prioritize: Use an effort/impact matrix. High-impact, low-effort changes are your quick wins.
  4. Validate: Cross-reference data. If user tests, analytics and heatmaps point to the same problem, you've got something concrete.

From analysis to action

This is where the magic happens. You turn insights into concrete improvements.

Let's take an example. While conducting user tests on the redesign of a promotion module in a back office, one of the scenarios was to see if users understood how to limit promotion to certain users. We used a native component of the library on which our design system was based. The feature seemed simple: in a drawer, you just have a field to fill in and enter.

Well, 100% of our users didn't understand what they had to do. They were completely stuck. And the error message didn't help!

The solution?

  • We immediately modified the error message to make it clearer and continued our tests. This allowed us to test the wording right away.
  • We added a “Validate” button to the field.
  • In the longer term, we retested to see whether we should change the component entirely or not. And it turned out not to be worth it.

The virtuous circle of feedback

Never forget: feedback integration is a cyclical process. You collect, you analyze, you implement, then you start again. That's how you fine-tune a product to (near) perfection.

To remember

Integrating user feedback is like having a compass in the complex world of product design. It guides you, refocuses you, and prevents you from getting lost in your own preconceived ideas.

Remember:

  • Collect with method (user tests, interviews, analytics, heatmaps, surveys)
  • Analyze with rigor
  • Implement with boldness
  • Repeat with perseverance

And above all, never forget: behind every click, every swipe, every piece of data, there's a human being. It's by keeping this in mind that you'll create products that really resonate with your users.

So, ready to dive into the deep end of user feedback?

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