User Experience
Think Aloud Protocol
Also known as: Think aloud
Definition
Think aloud protocol is a method where users verbalise their thoughts while completing tasks.
In practice
Used in guideUsability TestingObserving users complete tasks to identify usability issues, friction, and barriers to success.Open guide to understand user reasoning and glossaryPrioritisationPrioritisation is the process of ranking tasks, features, or initiatives based on their importance, impact, and effort.Open glossary term.
The reality
Some users struggle to articulate their thoughts naturally.
Also known as
Think aloud
Plain English
Getting users to say what they’re thinking as they go.
FAQ
Common questions
A few practical answers to the questions that usually come up around this term.
What is think aloud protocol?
It is asking users to verbalise their thoughts during tasks.
Why is it useful?
It reveals how users think and make decisions.
What is a limitation?
Not all users can articulate their thoughts clearly.
When should you use it?
During guideModerated Usability TestingGuided usability sessions that combine observed behaviour with follow-up questions and deeper qualitative insight.Open guide.
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