Public kiosks run an unfortunate risk of being a disease vector, so your first pass should try for noncontact inputs like voice, proximity switches, or non-contact gestural inputs.
Alan Cooper
An American software designer and programmer. Widely recognized as the “Father of Visual Basic".
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At no point should your task require the user to hold more than seven items in their working memory at any moment.
George Armitage Miller
An American psychologist who was one of the founders of cognitive psychology, and more broadly, of cognitive science.
Laws of UX
Product Design
UX Design
Engineers and designers simultaneously know too much and too little. They know too much about the technology and too little about how other people live their live and do their activities.
Donald A. Norman
An American researcher, professor, and author (The Design of Everyday Things). As Apple’s User Experience Architect (90's), he became the first person to have UX in his job title.
Psychology
UX Design
UX Research
Computer literacy is really an euphemism for forcing human beings to stretch their thinking to understand the inner workings of application logic, rather than having software-enabled products stretch to meet people’s usual ways of thinking.
Alan Cooper
An American software designer and programmer. Widely recognized as the “Father of Visual Basic".
Usability
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.