Usability howto

Step-by-step guide for usability processes
Guía paso a paso del proceso de usabilidad

http://usability.gov/methods/process.html


Definition of Usability at usability.gov

• Ease of learning - How fast can a user who has never seen the user interface before learn it sufficiently well to accomplish basic tasks?
• Efficiency of use - Once an experienced user has learned to use the system, how fast can he or she accomplish tasks?
• Memorability - If a user has used the system before, can he or she remember enough to use it effectively the next time or does the user have to start over again learning everything?
• Error frequency and severity - How often do users make errors while using the system, how serious are these errors, and how do users recover from these errors?
• Subjective satisfaction - How much does the user like using the system?

Firefox Tab prototypes challenge

Concurso de ideas sobre tabs - brainstorming

Mozilla Labs Design Challenge: Summer 09 - together with IxDA and Johnny Holland

finding creative solutions to the question: "Reinventing Tabs in the Browser - How can we create, navigate and manage multiple web sites within the same browser instance?"

An OR simulation project

Proyecto del compañero de trabajo Nelson para diseñar un entorno reutilizable para proyectos de simulación estadística.

SEDETEP - Transformation of the Spanish Operation Research Simulation Working Environment


Describe el propósito de varios módulos de definición de ontologías y requisitos, generación y análisis de experimentos basados en modelos.


A military Spanish project to develop an Operations Research simulation environment, model-based and with reuse between different simulation projects.

Magic interfaces

Diseño de interfaces "naturales" usando técnicas de los magos profesionales:

http://nui.joshland.org/2009/11/pleasing-brain-with-magical-interfaces.html

Every great magic trick consists of three parts or acts. The first part is called "The Pledge." The magician shows you something ordinary: a deck of cards, a bird or a man. He shows you this object. Perhaps he asks you to inspect it to see if it is indeed real, unaltered, normal. But of course it probably isn't. The second act is called "The Turn." The magician takes the ordinary something and makes it do something extraordinary. Now you're looking for the secret, but you won't find it, because of course you're not really looking. You don't really want to know. You want to be fooled. But you wouldn't clap yet. Because making something disappear isn't enough; you have to bring it back. That's why every magic trick has a third act, the hardest part, the part we call "The Prestige."

User personas vs archetypes vs roles

La diferencia entre un "arquetipo" y un "personaje" de diseño es si se ha basado en investigación de campo real (numérica, medible!).
http://www.virtualfloorspace.com/2009/09/user-archetypes-vs-personas/

A well-researched example persona for web design:
http://www.virtualfloorspace.com/2009/09/using-personas-to-guide-web-design/

A description of roles (focus on separate usage scenarios and performance, not users)
http://www.foruse.com/articles/rolespersonas.pdf