The Design of Everyday Things - Deepstash
Types of Errors in Design

There are 2 types of errors:

  • slips (a person intends to do an action and ends up doing something else). Can be: acti...

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The Design of Everyday Things

The Design of Everyday Things

by Don Norman

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The 3 Levels of Processing that inform the 3 Stages of Action

There are 3 levels of processing that inform the action a user does:

  • visceral (lowest level, correlated with calm and anxiety). Actions: perform and perceive.

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Affordances - the relationship between the properties of an object and the capabilities of an agent

Signifiers -...

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  • Incremental - Continuous Testing and Refinement. Starts from an existing product. Called also Hill Climbing (move your foot in one direction - if it is uphill, take o...

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jean baptiste alphonse karr

The more things change, the more they are the same.

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