Human Computer Interaction A

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cenounf5555

Computer Science

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Section 12.5 of your text (p. 498) discusses the usability of programs for people with foreign language barriers, older adults, children, and people with disabilities.

Write a 2-3 page APA-formatted paper discussing the challenges in developing user interfaces for programs or websites, taking in to consideration the many needs of the users.

How can the designer provide self-help tools for these users that will be effective and used?

Requirements: No plagiarism,should meet all the requirements

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= Adobe Reader Touch х CELOTET TIDLICEEG UI исторически инстись тvг vспол" те случаи Health has developed a web site specifically for older adults: It includes on the home page obvious controls to adjust the font, adjust the contrast, and turn speech on or off (Fig. 12.11). Users with disabilities Computers have opened up the world to many users with disabilities that severely limited their communication capabilities. These users can now use alternative methods of input, such as switches, head tracking, 12.6 Online Tutorials and Animated Demonstrations 499 Links Publication FAQ Site Indesit Info Contact PC Palm Beach County The Best of Everything Search She GO PBC Home I Want To.. Residents Business Visitors Government Departments You are here Palm Beach County Website Information Helpful site Links Website Information Common Icons Site Map WSC ) KHTML The portions of our website that have converted to the new Site Index Dec Site biler Standards: XHTML 1.0 Transitional S. Microsoft Internet Contact Us Also: Section St. MAI Explorer only Acrobat Reader E-mail Disclaimer Microsoft Word Many of our pages use Under Florida law, o-mail addresses are public records. If you do not want your -mail the Adobe PDF format address released in response to a public records request, do not send electronic mail Microsoft Excel Document To install the free Adobe to this entry. Instead, contact this office by phone or in writing Microsoft Powerpoint Reader click on the icon Document MAdobe Reader Document Tante RealPlayer File Document Wordperfect Pob.com FIGURE 12.10 This figure is from the Palm Beach County, FL web site (http://www.pbcgov.com). Note the "breadcrumbs" near the top to explain how the user got to this page (Website Information), and the list of common icons provided on the right to familiarize novice users with the symbols used on the web site. eye gazing, and voice. There are various screen-reader programs, such as Free- dom Scientific JAWS, GW Micro's Window-Eyes, and IBM's Home Page Reader (Section 1.4.5). Documentation writers need to be aware that the material will be heard, not viewed. Long, wordy paragraphs will not be well understood in this environment. Writing in short sections and subsections is the preferred method. Sometimes documentation may need to be used hands-free. This may be an environmental issue (when hands are busy) or one caused by a disability. Speech is the typical input modality supplied with these systems, and the out- put modality may be visual or auditory. The use of augmented-reality applica- tions may have some potential (Ward and Novick, 2003). Some devices may not have a display, and speech may be the single output modality. This offers addi- tional new challenges for designers (Kehoe and Pitt, 2006). Ask me anything O CD O d D 12:07 AM 06-Apr-17 = Adobe Reader Touch х 12.5.4 Special populations Computer systems and their accompanying documentation are used by a diverse population interacting with a range of applications of differing 498 Chapter 12 User Documentation and Online Help to complexities. These users vary in age, computer experience, and language understanding, to name just a few of the dimensions of difference. When designing and creating documentation, authors need to know about and under- stand the potential users. Accommodating the needs of certain special user pop- ulations takes additional care and research. International and cross-cultural issues when dealing with the global economy, documentation aware of international and CROSS-cultural issues. Cultural differences are often ignored, perhaps because of time and budgetary restrictions, and the documentation is simply translated (Warren, 2006). However, this lack of sensitivity can create problems with the understanding of the documentation. There are five important rhetorical elements to consider when designing documentation for a global audience: the purpose, the audience, the content, the organization of the materials, and the style (Dong, 2007). Deeper cultural differ- ences, including differing vocabularies, must be taken into account. Even eye-movement and scanning patterns can vary across cultures. A full sociological comparison of various cultures is beyond the scope of this book, but an author writing global documentation needs to be aware of the differences. Again, a user-centered design approach can be quite helpful. Older adult users The world's population is aging, people are living longer, and technology is becoming an integral part of everyday life. Conse- quently, special attention should be given to older adult users (Section 1.4.6). Most computer documentation is written with many assumptions about the users' experiences and vocabulary that may not hold true with this subset of the population (Tilley, 2003). Using familiar tasks, languages, and metaphors can facilitate understanding (Carroll, 1998). A three-pronged approach should be used: icons should be defined and acronyms and key phrases should be introduced early on (Fig. 12.10), just enough explanation should be provided (use of analogies is helpful), and a list of exception-oriented guidelines for common tasks should be supplied. In general, guidelines should not only explain how to perform the tasks, but provide action plans to follow if the computer does not work as expected. Seniors seem to prefer structured guid- ance (Tilley, 2003), and the absence of goal information, consequence informa- tion, and identification information in the instructions has a greater impact on older adults (van Horen et al., 2009). In some cases, it may be worthwhile to develop a special interface for seniors. For example, the National Institute of Health has developed a web site specifically for older adults: It includes on the Ask me anything O 1 12:06 AM 06-Apr-17
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Running Head: PROGRAM DESIGNING

1

Human Computer Interaction (Program Designing)

Name

Institutional Affiliation

PROGRAM DESIGNING

2

Usability of Programs for people with disabilities

With the growing changes in technology, the needs of the people with disabilities to
access information and other services continue do growth. This creates challenges for the
designers to provide quality platforms in which they can have the same experience as the normal
people. Different factors are taken into consideration depending on the need for each individual.
The development of these services should ensure there are accessibility, better usability, and
inclusion

The accessibility aspect tries to eliminate the issues related to discrimination hence
creating a better user experience for the people with disabilities. This makes it easy for people
with disabilities to understand, perceive, interact, and navigate with the tools provided on the
website. This enables them to access information and contribute normally without barriers
(Bertot, & Castéran, 2013).

Usability of programs for people with foreign language barriers

A lot of languages have been developed to improve the human-computer interaction
especiall...


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