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Usability Goals and Requirements

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									Usability Goals and Requirements
Purpose
This template provides a worksheet for use on projects to set usability goals and measurable usability
requirements. The worksheet should be kept along with the overall Requirements Specification for the
project. Test planning and execution will need to include test conditions and cases to prove the usability
requirements are met by the solution.

Worksheet
Setting usability goals and defining measurable usability requirements can be done for an entire automated
solution or for components of the solution. For example, the goals and requirements are often different for
functions associated with primary users vs. secondary users. A good starting place is a use case model that
defines the actors to the system and the functions associated with each actor.

Consider the priority of each business function to be provided. This worksheet can be used per functional
area of the solution. Focus the cost and effort of determining usability requirements (and design and testing
against the requirements) on the high priority/high business value functions.

The worksheet below lists the common industry usability goals. More high-level goals can be added by
adding rows to the table. Examples and suggestions provided in the Measurable Requirements column need
to be replaced by the specific requirements for the project.

Use the Priority column to indicate which goals are of higher importance than the others. This can be done
by indicating low-high, using A/B/C or actual numbered priorities. Focus effort on determining measurable
usability requirements on the top three to five priority goals.

Use the Ranking column in a number of ways:

        As a method of communicating with user representatives to get their perspective on each goal.

        As a thinking process for the requirements/business analyst to help determine the numbers or
         percentages in the measurable requirements.

        As input for the designers to help them determine design options.

                    Goal                        Ranking      Priority        Measurable Requirements

                                                (1= low,
                                                5 = high)

Automation                                                              Note: While all the goals will impact
                                                                        design, this one is often the easiest
A high ranking means that much of the task                              relationship for the design team to
is routine and the user should not be                                   see.
bothered with it. Example: rather than
having a user specify each name of a series                             The Delete Prospect function shall
of files to print, a system might automate                              allow for multiple prospects to be
specifying files by allowing wildcards in
                                          
								
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