A search engine company is considering two designs for its new web portal. Users' success in navigating each design is plotted as a function of time. What is the resulting graph called? The company concludes that Design B is easier to navigate than Design A. Which feature of the graph would support this conclusion?
A) The graph is called a practice function. The company's conclusion would be supported if the slope of the line relating success to time were steeper for Design A than for Design B.
B) The graph is called a practice function. The company's conclusion would be supported if the slope of the line relating success to time were steeper for Design B than for Design A.
C) The graph is called a learning curve. The company's conclusion would be supported if the slope of the line relating success to time were steeper for Design A than for Design B.
D) The graph is called a learning curve. The company's conclusion would be supported if the slope of the line relating success to time were steeper for Design B than for Design A.

Question

Quizplus · Accepted Answer

The graph is called a learning curve, which shows how users' success in navigating a design improves over time. The steeper the slope of the curve, the faster the improvement in success rate. The company concluded that Design B is easier to navigate than Design A, so the slope of the learning curve for Design B should be steeper than that of Design A. Therefore, the correct answer is D.

A Search Engine Company Is Considering Two Designs for Its