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Unformatted text preview: to Condos et al. (2002) the contents of WAP portal should be designed and
formatted according to the particular characteristics of the mobile environment in order
to achieve the expectations of the mobile user. In Amazon case, the portal presents good
content management and display the important information on main page such as
“Books, Electronics, Games and DVD’s” etc., for detailed information user can proceed
to sub links. The font and text are standard throughout the site and presents a consistent
look; therefore Amazon portal supports the theory.
Offer consistency in navigation and naming of menu options
According to Condos et al. (2002) designers of WAP services should make sure that the
users are facilitated with consistent navigation options throughout the site. Such
consistency in navigation menus will highly help the user to browse site and make
easier to fetch information. The Amazon.com portal is found highly consistent. The site
is good example of high level of navigation, for example, if user seek any product using 73 “Search” option or the user seek that product through menu, in both case the product
information will be same. In addition, naming convention is same throughout the site
such as “add to shopping cart” “sign out” etc. The Amazon portal is highly consistent in
navigation therefore its supports the theory.
Provide the user with sufficient prompting
According to Condos et al. (2002) it should be make easy for users to find clear and
sufficient information at least time and sufficient help and guidance should be given to
complete common tasks. The interface should be made user-friendly to assist users how
to select options, such as textboxes order processing etc. In Amazon case, the portal is
fairly competent and provides customer efficient prompting in input selection in
throughout the order processing. For instance, in task 13 and 14, the users successfully
attempt to add “GPS” and “Microsoft office software” into “shopping cart” and test the
complete transaction. The users were guided throughout the process how to complete a
transaction; therefore Amazon supports the theory.
Minimize user input
According to Condos et al. (2002) as the typical nature of WAP services are concern, it
is difficult to give input by using a WAP phone as compare to the keyboard, therefore,
the designer should take it on a high priority that the maximum input should be
technically handed by using check box buttons to save user time. In Amazon case,
mostly the information is given by lists or by minimum input. For instance, in task 13,
the users have to search GPS under “Electronics” category. Entering GPS input, the user
got variety of GPS available in the portal that user can simply select, browse detailed
information and could proceed to shopping. In this case, user don’t have to enter input
multiple times, therefore Amazon supports the theory.
Structure tasks to aid the user's interaction with the system
According to Condos et al. (2002) in WAP portals the information should be designed
in a way that provides the user with a clear, logical and highly structured choice of
options. In Amazon case, the basic and common tasks can be completed with the
minimum amount of interaction and the method of task-analysis has been deployed
smartly. For instance, in task 13 and 14, the portal provide clear, logical and highly
structured approach to select various products, check their price, find product details,
and proceed with payment. Therefore, the site is well structured and provides good
interaction between user and the system, therefore it supports the theory. 74 Learnability
According to Nielsen (1993) the system should be easy to learn so that the user can
rapidly start getting some work done with the system. In Amazon case, the task 13 and
14 were specially designed to test the learnability of the portal. For instance, task 13
“Find GPS under “Electronics” category and add to “Shopping Cart” to test a
complete transaction” were typically designed to test the learnability factor. The users
successfully searched and find variety of GPS under electronic category; they put GPS
into “shopping cart” and proceeded with payment. The users validated the ease of
learnability by confidently moving around the portal and successfully completing the
tasks. Therefore, the portal fits with the theory of learnability.
Efficiency of Use
According to Nielsen (1993) to ensure a high level of productivity, the systems should
be efficient to use, so that once the user has learned the system they can easily use it.
System efficiency refers to the stable performance stage of expert user. It was observed
that Amazon portal fully support this theory of efficiency of use, since within a very
short period of time, the users were successful and confident to conduct a variety of
tasks. In task 13 and task 14, the users easily navigate within the system, find various
products “GPS” and “Microsoft Office” software, added them into “shopping cart”...
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This document was uploaded on 12/31/2013.
- Fall '13
- The Land