Tag Archives | Fitts’s Law

Google+ Snapseed help overlay showing meaning of symbols as well as gestures

First Principles of Interaction Design (Revised & Expanded)

By on 5 Mar 2014 in First Principles, HCI Design, Human Computer Interaction (HCI), Principles of HCI Design, Usability Testing

The following principles are fundamental to the design and implementation of effective interfaces, whether for traditional GUI environments, the web, mobile devices, wearables, or Internet-connected smart devices. Help! This is a huge revision. I expect I have made mistakes. Please leave corrections and suggestions in the Comments at the end. If you have better examples […]

Read full story • Comments { 16 }

Providing Predictable Targets

By on 11 Apr 2013 in HCI Design, Human Computer Interaction (HCI), Principles of HCI Design

Three principles form a foundation to the graphical user interface: Discoverability, Stability, and Visibility.  They stand in stark contrast to MS-DOS and the earlier generation of interfaces, and their presence swept all of those others away. All three principles were so ingrained in the culture, so absolutely inviolate, that I eventually dropped all of them entirely […]

Read full story • Comments { 32 }