Five Sketches™

The Agile Manifesto includes twelve principles. These two are related:
Deliver working software frequently [in short sprints that last] from a couple of weeks to a couple of months, with a preference to the shorter timescale.
Working software is the primary measure of progress.
From discussions with other practitioners, I know that software teams can get dogmatic about the above […]

This week, I’m attending a few days of training in agile software development, in an Innovel course titled Lean, Agile and Scrum for Project Managers and IT Leadership.
My first exposure to agile was in Desiree Sy’s 2005 presentation, Strategy and Tactics for Agile Design: A design case study, to the Usability Professionals Association (UPA) annual conference […]

Do you ever wonder how effective expert reviews and usability tests are? Apparently, they can be pretty good.
Rolf Molich and others have conducted a series of comparative usability evaluation (CUE) studies, in which a number of teams evaluate the same version of a web site or application. The teams chose their own preferred methods—such as […]