Mental Model
What is a Mental Model in Product Design?
A mental model in product design is the way users perceive and understand how a product works based on their prior experiences and knowledge. It represents the user's thought process and expectations when interacting with a product.
Synonyms: User Mental Model, Cognitive Model, User Expectations, User Thought Process

Why Mental Models are Important in Product Design
Understanding mental models helps designers create intuitive products that match users' expectations, reducing confusion and improving usability.
How Mental Models are Used in Product Design
Designers study users' mental models to align product functionality and interface design with how users think, making the product easier to learn and use.
Examples of Mental Models in Product Design
For example, users expect a shopping cart icon to hold selected items for purchase, or a trash bin icon to delete files. These expectations guide design decisions.
Frequently Asked Questions
- What is the difference between a mental model and a user persona? A mental model focuses on how users think about using a product, while a persona represents a fictional user profile with demographics and goals.
- How can designers discover users' mental models? Through user research methods like interviews, observations, and usability testing.
- Can mental models change over time? Yes, as users gain experience or as technology evolves, mental models can adapt.
- Why is it important to consider mental models in product design? It ensures the product is intuitive and meets user expectations, leading to better user satisfaction.