[Sigia-l] Usability Testing comments from Giga

[Pittas Marios]

Boniface wrote:

> More accurately, you *were* sure of them.

> Thus, you are not sure anymore.

But if the users change (through time/experience/geo-location) so could the
results of the Usability Testing right (have a look at Mayhew's excellent
book on Usability Engineering: "The Usability Engineering Lifecycle" with
regards to building and using User Profiles and how they lend to System
Development and Design)?

A simple parallel would be the way that developers would test their apps
should the Operating System change?

> Testing is typically done when its cost is much lower than the
> potential cost of not testing. It is a part of risk management.

Sure, nobody said otherwise, the benefit of not only the testing but also of
the system (each and every feature of it) should be justifiable in terms of
Cost Benefit / Return On Investment .. I am sure that's what you meant in
the bigger picture.

Marios

-----Original Message-----
From: sigia-l-admin at asis.org [mailto:sigia-l-admin at asis.org]On Behalf Of
Boniface Lau
Sent: 29 March 2003 08:32
To: sigia-l at asis.org
Subject: RE: [Sigia-l] Usability Testing comments from Giga


> From: sigia-l-admin at asis.org [mailto:sigia-l-admin at asis.org]On
> Behalf Of Todd R.Warfel
>
> Well, I've been doing User Experience Consulting for seven years
> plus and I still test concepts and approaches that I'm sure of

More accurately, you *were* sure of them.


> - there's theory and then there's practice. This field is
> continually changing, which means that we need to continually revise
> and refine.

Thus, you are not sure anymore.

Testing is typically done when its cost is much lower than the
potential cost of not testing. It is a part of risk management.


Boniface
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