Q. What does the "now level" indicate in the usability specification?

View solution

Q. Why should the "worst case value" for a usability attribute be no lower than the "now level"?

View solution

Q. What does the "best case" value for a usability attribute represent?

View solution

Q. What are usability metrics?

View solution

Q. What is the major feature of usability engineering?

View solution

Q. What is a problem with usability metrics at early stages of design?

View solution

Q. What is a limitation of usability engineering?

View solution

Q. Why does usability engineering not necessarily guarantee usability for real people?

View solution

Q. Which approach to prototyping involves building a prototype and then using the design knowledge gained to build the final product, discarding the actual prototype?

View solution

Q. In the incremental approach to prototyping, how is the final product built?

View solution

Q. Which prototyping approach involves using the prototype as the basis for the next iteration of design, and the actual system evolves from an initial limited version to its final release?

View solution

Q. What is the main purpose of iterative design?

View solution

Q. What is the main advantage of using a prototype in the design process of an interactive system?

View solution

Q. Why is providing realism in a prototype considered costly?

View solution

Q. What is the term used to describe the design process that involves fast development and manipulation of a prototype?

View solution

Q. What potential problem does the use of prototypes in the design process pose for project managers?

View solution

Q. What issue must be addressed when using a prototype to evaluate usability features of an interactive system?

View solution

Q. Which of the following techniques for prototyping involves a graphical depiction of the outward appearance of the intended system without any accompanying system functionality?

View solution

Q. What is the primary purpose of using storyboards in the design process of interactive systems?

View solution

Q. What advantage does using a computer-based graphical drawing package offer for creating storyboards?

View solution