Question 11 2 pts You have completed a usability study to collect time-on-task for three tasks. To show the mean time-on-task for Task 1, the mean time for Task 2, and the mean time for Task 3 in one chart or graph to compare the times for the three tasks, which of the following types of chart or graph would be best? Bar graph Stacked bar graph Line graph Pie chart Previous Next [4][C L CCC Question 12 2 pts As a UX designer, you are asked to conduct a usability test of an early, paper prototype of a web site to determine if users understand how to complete a key task. Because this is a preliminary design, you expect that the results of the test will lead to changes to the design. Your test would be considered: a focus group a summative test a formative test an A/B study Previous Next > Question 13 Which of the following is involved in a typical laboratory usability test? AUX professional goes to a participant's office and observes as the participant performs typical work tasks. A single test participant interacts with a product or prototype to attempt to complete specific tasks. A study moderator demonstrates the operation of a product or prototype while a participant takes notes about the perceived usability of the product or prototype. A group of participants discuss the appearance of a product or prototype. Previous Next DUUUUU Question 14 2 pts You are told that you will be testing a low-fidelity prototype of a web site. Which of the following would you consider to be a low-fidelity prototype? A version of the web site that has already been launched and customer complaints have been received. A version of the web site that will be launched if the results of your study indicate that it meets the usability thresholds. A version of a web site that has already been launched, but has a new, lower contrast visual design. A paper prototype of the web site with hand-drawn screens. Previous Next Question 15 2 pts A company sends out an email message that asks people to try a new web site. If someone wants to participate, he or she clicks on a link to the web site. A pop-up on the web site describes the task that the participant should attempt to complete. The participant then attempts to complete the task. Throughout the test, the participant does not communicate with any other person. This type of usability test is considered to be: a focus group a lab test a moderated test an unmoderated test Previous Next > OD 2/16/20