Obviousness comes from conforming to people's existing mental models: do not reinvent a common UI pattern unless the new one is at least twice as good.

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• Cannot both be true

  Within about five years the user interface will be generated afresh each time a user opens an app, so different users will get drastically different designs.

  Zhuo says obviousness comes from conforming to the mental models people already have, and that a common pattern should not be reinvented unless the replacement is twice as good. Nielsen expects the interface to be generated afresh on every open, so that different users get drastically different designs. A design regenerated each session gives a user no pattern to have learned.

Shared subject first, then similar wording. They may agree or disagree.

• A few dozen mental models are enough to get a firm grasp of how the world works. JCJames Clearby 12 Aug 2017mental models
• A mental model is an explanation of how something works, and each one helps in understanding a different part of life, such as markets, trust or decay. JCJames Clearby 12 Aug 2017mental models
• A mental model only helps if it is known well, practised, and applied in the right context at the right time. GWGabriel Weinbergby 6 Jul 2016mental models
• A small set of mental models comes up again and again in everyday decisions, problem solving and truth seeking. GWGabriel Weinbergby 6 Jul 2016mental models
• A thought experiment serves to encourage speculation and logical thinking and to change paradigms. SPShane Parrish1 Feb 2022mental models

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