Q. What is the challenge in the principled approach to interactive system design?

View solution

Q. What is the "chicken-and-egg puzzle" in interactive system design?

View solution

Q. Which approach to interactive system design relies on early understanding of user tasks?

View solution

Q. What was the main limitation of traditional software life cycles for interactive system design?

View solution

Q. What is one limitation of the traditional software life cycle in supporting user tasks?

View solution

Q. Which category of design approaches aims to better suit the design of interactive systems?

View solution

Q. What type of information should a notation for the design of interactive systems reflect?

View solution

Q. Which feature of the graphics drawing package allows the user to retain object identity while manipulating images?

View solution

Q. What is the main advantage of the user-centered design approach?

View solution

Q. Why is it difficult to predict the cognitive demands of an abstract design without user-centered techniques?

View solution

Q. What is the emphasis of usability engineering?

View solution

Q. What is the ultimate test of a product's usability?

View solution

Q. What does the usability specification in the requirements specification focus on?

View solution

Q. What does recoverability in the usability context refer to?

View solution

Q. Why is usability engineering limited in its application?

View solution

Q. What is the purpose of defining the attribute "backward recoverability" in terms of a measuring concept?

View solution

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