Usability Quote of the Day

February 6, 2012

The prevailing computer-human interaction (CHI) model of interface design has been partly responsible for the current state of the desktop computer. The breakthrough on which the field emerged was the admission of psychological principles. The resulting graphical user interface has been the focus of the field of computer-human interaction for nearly 20 years. This interface is a virtual control panel whose design has remained quite technology-centered. -- Malcolm McCullough, Digital Ground, 2004    (via interaction-design.org)

Sunday, June 12, 2005

Featuritis vs. the Happy User Peak

A great discussion of an important concept - The Happy User Peak ...

"Here's a little list of some of the things that seem to suffer the most from pushing too far past that "Happy User Peak":

* Courses that pack way too much content in. The learner is "exposed" to material that's "covered", but the learner hasn't truly "learned" much and can't "do" much. Sun has a great 12-day Java course, except for one problem... it's delivered as a five-day class. The students leave on Friday with their heads exploding, unable to remember where they parked the car let alone how to compile their Java code.

* Stereos (or other consumer electronics and appliances) that use "modal" controls so that you cannot obviously figure out how to make it do the most BASIC FRICKIN' THINGS ; (

* Software that keeps adding feature upon feature until the simple things you used to do are no longer simple, and the whole thing feels overwhelming.

* And several more ..."   continued ...   (Via Creating Passionate Users)

Happy User Peak - User Interface Design, Human Computer Interaction (HCI), Ergonomics

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