No. #24
Weber–Fechner Law
- Sensory Perception's Logarithmic Scale
The Weber–Fechner law describes the logarithmic relationship between stimulus magnitude and perceived intensity. In product design, this affects how incremental changes in a product's features or services are perceived by users.
Read more on WikipediaProduct example
Adjustments in a software's response time may need to be significant to be noticed by users, due to the logarithmic nature of sensory perception.
Empathy tips
1
Adjust Expectations
Ensure product changes are substantial enough to be perceived.
2
User Feedback on Changes
Collect user feedback to gauge the perceptibility of changes.
3
Incremental Improvements
Plan for incremental improvements to exceed the sensory threshold.
4
Sensory Testing
Conduct tests to understand the limits of sensory perception in your product's context.
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