Nielsen Coined the Term "Discount Usability Testing" to Indicate the Design

Multiple Choice

Nielsen coined the term "Discount Usability Testing" to indicate the design of tests that conserve resources, including funding and time. One example is a reduced number of users who need to participate. He indicates that as few as how many users can find 80% of design issues?

A) 3
B) 5
C) 10
D) 15