Human computer interaction

  

answer the questions? ( each question 1-2 sentence) no more then 2.make it brief and essay to remember.
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1. What is the current international technical standard for making web pages accessible (mentioned
both in class and in the Locked Out video lecture?)
WCAG 2.0
2. Name two assistive technology input approaches for people with spinal cord injuries who are
paralyzed from the neck down. How do they use them?
3. What is participatory design? Why isn’t commonly used in the USA? What are the types of situations
in which participatory design IS used in the USA?
4. Name 4 different types of alternative physical keyboards (don’t include a standard QWERTY keyboard
or touch screen keyboard), and describe why each one might be used, or who might use it.
-Chorded
-Keybowl
-Mouthstick
-Keyguards
5. What are three forms of physiological input methods? Please describe each form. You don’t need to
use acronyms, but if you do, describe what the acronyms mean (spelling won’t count against you)
-EKG:
-EEG
-EMG:
6. What are the three methods that blind users typically utilize to navigate a web page using screen
reader?
7. The “Locked Out” video talks about the importance of “same time, same place”. Give one example of
discrimination caused by inaccessible technology, in each one of the three categories.
8. What are two key purposes of eye-tracking input?
9. Why might the effectiveness of a specific speech recognition application (who you previously trained
on your voice) change from day to day?
10. Aside from blind people with low vision, who else might use screen reader software and why?
11. What is a proxy user, why do you want to avoid using them in user-centered design methods, and
what might be the rare instances where a proxy user is acceptable?
12. How do surveys and focus groups (in requirements gather) differ? Give one strength and one
weakness for each.
13. Based on the video lecture, “Improving Interface Design for People with Down Syndrome.” What is
one documented strength that people with Down syndrome have, when it comes to interface design,
and what is one aspect of interface design that they often find to be challenging?
14. Imagine that you had to cost-justify the usability testing for an internal, corporate software
application. For that matter, let’s say that you wanted to do usability testing on PeopleSoft which is
used primarily by student coordinators (such as Ms. Hackley). Describe, step-by-step on how would you
would cost justify the usability testing on PeopleSoft. Only focus on student coordinators like Ms.
Hackley.

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