 |
|
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Table 2
Example
of usability problems related to each of the factors |
|
|
Many of the examples in this table were extracted from the list of common
usability problems by Dumas and Redish [1].
|
|
Usability Factor |
Example of potential
problems |
|
1 |
Understandable |
§ Missing
brief overviews of process description elements
§ No
glossary |
|
2 |
Easy to learn |
§ No
tips for enacting the process
§ Not
enough examples |
|
3 |
Well-structured |
§ Steps
not described in the order they are performed
§ Level
of headings are not clearly distinct |
|
4 |
Consistently presented |
§ Procedural
steps not formatted consistently
§ Format
and layouts of descriptions are inconsistent |
|
5 |
Effectively presented |
§ Too
much text – lack of lists, tables, and graphics
§ Action
steps and text explanations are not clearly distinct |
|
6 |
Effectively supported |
§ No
work product templates
§ Many
instructions but no checklist |
|
7 |
Tool-supported |
§ Hard
to maintain because of process description authoring tool
constraints
§ No
tool to check the broken links in cross-references |
|
8 |
Complete |
§ Process
element used but not defined (e.g. mention an activity to perform
but no description)
§ Missing
steps |
|
9 |
Concise |
§ Overlapping
information
§ Extraneous
information |
|
10 |
Unambiguous |
§ Use
of double meaning words
§ Use
of vague words |
|
11 |
Up-to-date |
§ Contains
obsolete information
§ Does
not represent the most recent trend, policy, etc. |
|
12 |
Operable |
§ No
description of how to select and use support tools
§ No
description for roles and their responsibilities |
|
13 |
Navigable |
§ No
index
§ Not
enough levels in the table of contents
§ Lack
of cross- references |
|
14 |
Tailorable |
§ No
tailoring guide (e.g. for activities and work products)
§ Hard
to tailor because of technology constraints |

[1]
Dumas, J.S., Redish, J.: A practical
guide to usability testing. Intellect Books, Exeter, England ; Portland,
Or. (1999)
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