Alan Cooper

One of the eternal conundrums of interaction and interface design is how to address the needs of both beginning users and expert users with a single, coherent interface.

An American software designer and programmer. Widely recognized as the “Father of Visual Basic".

About Face 3: The Essentials of Interaction Design (Book) by Alan Cooper

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Design & Arts

Design Thinking
IxD
UI Design

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A door may afford pulling or pushing, depending on which way it opens. When a person can see in advance whether to pull or push the door to open it, that’s a good user interface.

Jakob Nielsen

A former Sun Microsystems Engineer and "The world's leading expert on Web usability" (www.useit.com).

Design Thinking
UI Design

The path to a clean, complete, well-considered product is messy, messy, messy.

Leah Buley

A veteran of the experience design industry, author of the book The User Experience Team of One, and VP of Experience at Publicis Sapient.

Complexity
Design Process
Design Thinking
Product Development

Your objective should always be to eliminate instructions entirely by making everything self-explanatory, or as close to it as possible. When instructions are absolutely necessary, cut them back to the bare minimum.

Steve Krug

A usability consultant (Apple, Netscape, AOL, Lexus) and a highly sought-after speaker on usability design.

UI Design
Usability
UX Design

Everything has to be validated. If something can’t be explained, it gets the boot. This may be the only unbreakable rule in my office.

Theo Rosendorf

A graphic designers and author of the book "The Typographic Desk Reference".

Design Thinking
UX Design

Alan Cooper

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