Human Computer Interaction Course, 6803433-3

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Kingdom of Saudi Arabia ةيدوعسلا ةيبرعلا ةكلمملا Ministry of Education ميلعتلا ةرازو

Umm AlQura University ىرقلا مأ ةعماج

Adham University College مضأب ةيعماجلا ةيلكلا

Computer Science Department للآا بساحلا مسق

Second Semester of 2017/ 2018 Academic Year

Human Computer Interaction Course, 6803433-3 -Assignment 2-

Last Delivery Date Thursday, 26/07/1439 H – 12/04/2018

Question One: 2 Marks

Choose the best answer:

1.If the development team scheduled a review with some experts to check the design of their software system against the golden rules for the design, which design method will they use?

a) Heuristic evaluation b) Guideline review

c) Formal usability inspection d) Cognitive walkthrough

2.Expert reviews might fail because…………...

a) Expert reviewers might not have an adequate understanding of the task domain b)Expert reviewers are too many, more than 5

c) Expert reviewers might not understand the user communities very well d) a and c

3.Online surveys for usability testing can save a lot of time and effort and they have less probability of having biased sample than the printed forms.

a) True.

b) False.

4.In usability testing laboratories, it’s better to have 3-6 participants because most serious problems are found with a few participants.

a) True.

b) False.

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Question Two: 3 Marks

One argument against the current interface design of a popular word processor is that it has all the functional menu items appearing together which cause the interface to be too complex. This complexity results in a confusing and frustrating experience for novice users. An alternative design is to provide different levels of functional complexity, so users can choose the level that is suitable for them, then advance to higher level as they get familiar with the tool, thus feel more comfortable and learn more efficiently. You are asked to conduct usability testing to compare these two designs.

Based on the above paragraph, answer the following questions:

a.Which type of usability testing should be used for this situation? Explain why.

b.List some general principles of subject selection in usability testing. How should you select subjects for this case?

c.List and briefly describe the steps in the usability testing you would conduct.

Answer of Question Two:

a.

Competitive usability testing should be use to compare the new version of the interface which allows you to move up to higher levels of complexity to the old interface which does not. This would allow for a good side- by-side comparison of the usability of each version.

b.

It would make sense to pick a group of familiar users and a group of unfamiliar users and find how they feel about hiding parts of the interface. One reason for this is that the advanced users might be unhappy that the features they like to use are hidden. Also, it is important to see if the unfamiliar users wish that they could see some of the more advanced features.

c.

One answer may be tailoring of this guide for your application and situation.

https://jmbeach.github.io/CS407-001/2016/09/15/chapter-5-questions.html

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Remember, “Success is 1% inspiration and 99% perspiration”

Do your Best 😉

If you have any questions, feel free to ask me through my email T.Mariah Sami Ahmed Khayat

Teacher Assistant @ Adam University College [email protected]