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Think-aloud protocol 0:51
A 51-second explainer of Think-aloud protocol, narrated over the same demo you can try yourself.
Try the interactive Think-aloud protocol demo
What this video covers
Think-aloud is a usability-testing technique where participants narrate their thoughts out loud as they work through a task - what they're looking for, expecting, and confused by. It turns silent behaviour into commentary, so you learn not just where someone struggled but why, catching the hesitation and the wrong mental model that a screen recording alone would hide.
Watch in silence and you see a cursor wander and a wrong click - but not why. Switch the narration on and suddenly there's a reason: "I'm looking for a basket icon… is that it? No…" The hesitation, the wrong assumption, the moment it clicked - all of it spoken aloud. That "why" is the difference between knowing something went wrong and knowing how to fix it.