Introduction to Volume 10, Issue 1, November 2014

We are delighted to publish an editorial by Gilbert Cockton on “A Critical, Creative UX Community: CLUF.” In this provocative editorial, Cockton advocates for “a new form of interactive community publication, complementary to JUS, to respond to new creative emphases within human-focused interaction design practices and research.” Cockton refers to this community as “CLUF” or […] [Read More]

Introduction to Volume 9, Issue 4, August 2014

This is an issue you will want to read. It includes three peer-reviewed articles. It opens with a peer-reviewed essay by Randolph Bias, Clayton Lewis, and Douglas Gillan titled, “The Tortoise and the (Soft)ware: Moore’s Law, Amdahl’s Law, and Performance Trends for Human-Machine Systems.” In it, they compare the rapid growth in information technology documented […] [Read More]

The Tortoise and the (Soft)ware: Moore’s Law, Amdahl’s Law, and Performance Trends for Human-Machine Systems

Abstract Human interaction with computing and communication systems involves a mix of parallel and serial processing by the human-computer system. Moore’s Law provides an illustration of the fact that the performance of the digital components of any human-computer system has improved rapidly. But what of the performance of those human components? While we humans are […] [Read More]

Probability Plotting: A Tool for Analyzing Task Completion Times

Abstract Task completion time is a valuable metric for assessing or comparing the usability of a product. In online, unmoderated usability tests and other automated user behavior tracking methods, the large amount of time data that such tests yield must be carefully examined to exclude invalid data before further analysis can be meaningful. Other methodological […] [Read More]