March 25, 2004
Guerra Scale
the Guerra Scale. The scale outlines the range of online content that we can use. It describes an increasingly interactive user experience using a one-to-ten scale, in which “one” involves the common experience of simply reading text on a screen and “ten” represents a virtual reality scenario. In addition to a more interactive user experience, each step up on the scale represents an increase in
complexity
functionality
development time
demands for programming skill
demands for instructional design versatility and
demands for more patience and attention from subject matter experts.