Usability Inspection, Human computer intraction

1. BSSE 5th

2. Usability Inspection
 Usability inspection is the name for a set of methods
where an evaluator inspects a user interface. This is
in contrast to usability testing where the usability of
the interface is evaluated by testing it on real users.
1) Name for a set of methods
2) It is in contrast to usability testing.
3) Requires a small set of testers(or “evaluators”)

3. Usability Inspection Methods
 Heuristic Evaluation
 Heuristic Estimation
 Cognitive Walkthrough
 Feature Inspection
 Pluralistic walkthrough
 Consistency Inspection
 Standards Inspection
 Formal Usability Inspection

4. Heuristic Evaluation
 It involves having a small set of evaluators
 It requires just few resources in terms of money, time
or expertise
 It is a usability engineering method for finding
usability problems

5.  A heuristic evaluation is a usability
inspection method for computer software that helps to
identify usability problems in the user interface (UI)
design. The main goal of heuristic evaluations is to
identify any problems associated with the design of
user interfaces.

6. Heuristic Estimation
 A technique where user interface evaluators make
estimates of how usable a system will be on a variety
of quantitative criteria, as opposed to heuristic
evaluation, where entirely try to identify problems.

7. Cognitive Walkthrough
 The cognitive walkthrough method is a usability
inspection method used to identify usability issues in
interactive systems, focusing on how easy it is for
new users to accomplish tasks with the system. A
cognitive walkthrough is task-specific.

8. Feature Inspection
 A usability inspection technique that identifies the
tasks that a user would perform with an application
and the features of the application that would be used
to perform those tasks.

9. Pluralistic Walkthrough
 The pluralistic walkthrough (also called
a participatory design review, user-centered
walkthrough), is a usability inspection method used to
identify usability issues in a piece of software or
website in an effort to create a maximally
usable human-computer interface.

10. Consistency Inspection
 Consistency inspection has designers who represent
multiple other projects inspect an interface to see
whether it does things in the same way as their own
designs.

11. Standards Inspection
 Standards inspection has an expert on an interface
standard inspect the interface for compliance.

12. Formal Usability Inspection
 Formal usability inspections are structured activities
with defined steps and trained inspectors. This method
is most appropriate for more complex software where
product teams want to track usability defects and
establish a process to detect and eliminate major
usability bugs.

13.  Heuristic evaluation, heuristic estimation, cognitive
walkthrough, feature inspection, and standards
inspection normally have the interface inspected by a
single evaluator at a time .
 Pluralistic walkthrough and consistency inspection are
group inspection methods.