The Power of ‘Thinking Aloud’ in UX Testing: A Guide for Designers

Discover valuable insights into user behavior with the 'Thinking Aloud' method in UX testing. This technique, although seemingly unorthodox, holds immense potential in capturing the user's journey, expectations, and reactions, contributing significantly to enhanced user experience design. Learn practical strategies to guide your participants effectively, from priming them for the process, demonstrating the method, acknowledging their efforts, to gently prompting them to continue. This conversational method can revolutionize your UX testing, offering profound understanding and translating into improved design solutions. Remember, a good user experience designer listens - and 'Thinking Aloud' is all about encouraging users to talk.

Gabriela Hernandez
Gabriela Hernandez
4 Min Read

At the core of user experience design is the desire to understand the user’s journey, and one of the most effective ways to do this is through the ‘thinking aloud‘ method. This well-established user research technique involves having users verbalize their thought process, their expectations, their reactions, and their overall experience while interacting with a design. Although it may feel a bit awkward—after all, it’s not every day that we narrate our actions like a food network chef whipping up a pumpkin soufflé—it’s a gold mine for gaining invaluable insights into user behavior.

Here are four practical strategies to guide your participants in the ‘thinking aloud’ process:

1. Prime Your Participants

Just like a pre-flight safety demonstration, your users need to be briefed about the ‘thinking aloud‘ process and its purpose. Take a moment to explain, “While you’re navigating through this interface, it would be incredibly helpful if you could narrate your thoughts, express your expectations, point out things you like or dislike, and share any other thoughts that come to mind. Your insights will help us better understand your experience and thought process.”

2 women : Priming a participant for user testing

2. Demonstrate the Process

Nothing beats a good demonstration. You can explain the concept all day, but showing them exactly what you mean will help eliminate any confusion. Pick up an everyday item—like a calculator—and walk them through your thoughts as you use it: “Notice how I’m narrating my actions and sharing my thoughts. For example, ‘I’m picking up this calculator—it feels light, yet sturdy. The button sounds are satisfying, but the display is a bit hard to read, especially in low-light conditions. This might prompt me to consider a different model.'”

3. Acknowledge and Encourage their Efforts

Positive reinforcement goes a long way. After they complete the first task, seize the opportunity to express gratitude and reinforce their ‘thinking aloud’ effort. Something as simple as, “Thank you for sharing your thoughts so openly—it’s incredibly helpful,” can boost their confidence and encourage continued narration. Often, participants may find the process strange, so reassuring them that they’re doing well can work wonders.

4. Prompt them to Continue

Sometimes, periods of silence may creep in—especially when users are deeply engrossed in the task. These moments are great opportunities to gently prompt them and rekindle the narration. Ask questions like, “What’s going through your mind right now?” or “What was your initial reaction to that feature?”


The goal of a designer is to listen, observe, understand, sympathize, empathize, synthesize, and glean insights that enable him or her to ‘make the invisible visible.’

Hillman Curtis

Remember, even though ‘thinking aloud’ may seem unorthodox, its benefits in gaining deep insights into user behavior are immense. To foster this practice among your test participants, educate them on the importance of ‘thinking aloud’, provide a hands-on demonstration, express gratitude for their efforts, and gently prompt them to keep the narrative flowing. Harnessing the power of ‘thinking aloud’ can significantly improve the quality of your UX testing.

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Gabriela Hernandez
Posted by Gabriela Hernandez
Gabriela Hernandez, a passionate UX Researcher and Data Analyst from Mexico City, is the analytical mind of our team. Gabi, as she prefers to be called, holds a Master's Degree in Data Science from the National Autonomous University of Mexico (UNAM). Her talent for turning complex data into actionable insights has played a key role in creating user experiences that truly resonate with audiences. Gabi brings a unique perspective to the team with her ability to balance aesthetics and functionality with user needs. When not submerged in data and UX research, she loves hiking and exploring the beautiful landscapes of Mexico.
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