User Experience
Comprehension
Plain English
It is whether people actually understand what they are seeing or reading.
Definition
Comprehension is whether users actually understand the content, instructions, or glossaryInterfaceAn interface is the point of interaction between a user and a system, where inputs are made and outputs are received. It can be visual, physical, or conversational.Open glossary term in front of them. It is the outcome that matters, and it can fail even when the text is short, clear, and well presented.
In practice
Used to test glossaryClarityClarity is how easily users can understand what is happening and what they need to do.Open glossary term and reduce misunderstanding.
In context
It is tested by asking someone to say back what will happen next. If they cannot, the content failed regardless of how clear it looked.
The reality
If low, glossaryPerformancePerformance refers to how quickly and efficiently a system responds to user actions and processes tasks.Open glossary term drops.
Compared with
Comprehension vs Readability
Comprehension is the outcome you want; glossaryReadabilityReadability is how easily written content can be read and decoded, shaped by sentence length, vocabulary, structure, and typography. It measures the effort the text demands, not whether the meaning actually landed.Open glossary term is one contributor. Structure, prior knowledge, and whether the explanation matches the reader's glossaryMental ModelA mental model is the way users understand how a system works based on their past experiences and expectations. It shapes how they predict interactions and outcomes.Open glossary term all matter as much as sentence length.
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