TestWizard - Coursera Answer

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1. Imagine you are analyzing the usability of a banking website. Which of the following are examples of good tasks?
1) Check your savings account balance.
2) Use the online banking system.
3) Go to the banking login screen. Enter your username and password. Once your account list appears, click on your checking account. Then read the third item in the list of transactions.
4) Transfer $20 from checking to savings.
2. Which of the following are measures of usability?
1) User Preference
2) Memorability
3) Learnability
4) Efficiency
5) Speed
6) Design uniqueness
7) Codability
3. What is "chunking"?
1) Aggregating several pieces of information into coherent groups to make them easier to remember.
2) Repeating information over and over to help memorize it.
3) Breaking a long list of pieces of information into smaller groups
4. Which of the following are examples of conventions that improve mental models?
1) Color coding warnings in red and alerts in yellow
2) Using a qwerty keyboard on a new device
3) Putting options to create a new file and save a file under a "File" menu in the upper left of the application.
4) Making all controls for an interface visible
5) Providing feedback on user actions
5. Human-Computer Interaction is the study of:
1) How computers take jobs away from people
2) The artwork created by people using computers
3) How people interact with technology
6. The people included in an HCI study might include:
1) Desktop or Laptop Computer Users
2) Mobile Device Users
3) Users who have Technology Embedded in Wearable Items
4) All above
7. Three important things that have to be understood in HCI are:
1) Screen Sizes, Processor Speeds and Memory Sizes
2) Users, Tasks, and Context
3) Location, age and Education
8. How should users be considered within a security system?
1) They need to be well-trained in how to use the security systems we build for them.
2) They are an integral part of security and should be considered part of the system from the beginning.
3) They are often the reason security fails.
9. HCI is based on an understanding of human's cognitive abilities.
1) False
2) True
10. Which of the following are factors to consider in designing usable interfaces?
1) the efficiency of the code that runs the system
2) The impact the interface will have on the cost of the system
3) The users' expertise and experience with computers

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