Value Metric
Ease of Use
Ease of Use captures how easy users find a task or product, often via a single post-task rating.
What is Ease of Use?
Ease of Use measures the perceived difficulty of using your product or completing a task, most commonly captured with a single post-task rating such as the Single Ease Question (SEQ): "Overall, how difficult or easy was this task?" on a 7-point scale.
Its appeal is efficiency — one question, asked right after the task while the experience is fresh, yields a sensitive read on friction that correlates well with more elaborate usability measures.
How to calculate it
Ease of Use = Average of Post-Task Ease Ratings (e.g. 1–7, higher = easier)
- Ease Ratings
- Individual post-task ease scores
- Responses
- Number of respondents
Worked example
On a 7-point SEQ, if 40 responses average to 5.6, that is a solidly "easy" result to track against future versions.
What good looks like
- SEQ reference~5.5 / 7 average
On the Single Ease Question, an average around 5.5 out of 7 is a common reference point; higher indicates an easier task.
Source: MeasuringU (Jeff Sauro)
Why it matters
Ease of Use is a fast, sensitive pulse on friction that you can attach to any task without a heavy survey. Because it is captured in the moment, it localizes exactly which tasks feel hard, and it tracks improvement release over release. As a perception measure it complements behavioral metrics like task success and time.
How to improve Ease of Use
Target the hardest-rated tasks
Rank tasks by ease score and run usability sessions on the worst to find and remove the friction.
Simplify before adding
Reduce steps and cognitive load rather than layering on help; the easiest task is one that needs no explanation.
Frequently asked questions
What is the Single Ease Question (SEQ)?
The SEQ is a one-item, 7-point rating asked immediately after a task: "Overall, how difficult or easy was this task to complete?" Despite its simplicity, it is a reliable, sensitive measure of perceived task difficulty and correlates well with longer usability instruments.
When should you ask about ease of use?
Ask right after the user completes (or abandons) the task, while the experience is fresh. Post-task timing makes the rating specific and actionable, and lets you attach an ease score to each task rather than the product as a whole.