User Experience
Predictability
Plain English
Knowing what will happen next.
Definition
Predictability refers to how well users can anticipate what will happen when they interact with a glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term.
In practice
Achieved through consistent glossaryPatternA pattern is a reusable solution to a design problem that recurs across products and contexts. It captures an approach already shown to work, so a team solves the problem once rather than every time it appears.Open glossary term, clear glossaryInteractionInteraction refers to any action a user takes within a product and how the system responds. It includes clicks, taps, gestures, and inputs that drive the user experience.Open glossary term, and familiar glossaryBehaviourBehaviour refers to how users interact with a system, including actions, patterns, and responses.Open glossary term.
In context
It is undervalued because it is invisible when present. Nobody praises a product for behaving as expected; they simply keep using it without thinking.
The reality
Inconsistent design glossaryLeadA lead is a potential customer who has shown interest in a product or service, typically by providing contact information or engaging with content.Open glossary term to confusion and errors.
Compared with
Predictability vs Consistency
glossaryConsistencyConsistency is the use of uniform patterns, behaviours, and visual elements across a product to create familiarity and predictability. It helps users learn once and apply that knowledge throughout the experience.Open glossary term is doing the same thing the same way. Predictability is the user being able to anticipate outcomes. Consistency is the main route to predictability, and a consistently confusing glossaryPatternA pattern is a reusable solution to a design problem that recurs across products and contexts. It captures an approach already shown to work, so a team solves the problem once rather than every time it appears.Open glossary term delivers neither.
FAQ
Common questions
A few practical answers to the questions that usually come up around this term.
What is predictability in UX?
It is how well users can anticipate glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term glossaryBehaviourBehaviour refers to how users interact with a system, including actions, patterns, and responses.Open glossary term.
Why is predictability important?
It reduces confusion and errors.
How do you improve predictability?
By using consistent glossaryPatternA pattern is a reusable solution to a design problem that recurs across products and contexts. It captures an approach already shown to work, so a team solves the problem once rather than every time it appears.Open glossary term and glossaryInteractionInteraction refers to any action a user takes within a product and how the system responds. It includes clicks, taps, gestures, and inputs that drive the user experience.Open glossary term.
What happens without predictability?
Users feel uncertain and make mistakes.
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