There are different types of prototypes and a sketch can, for example,
be used to illustrate a prototype of a visual or layout style or even
suggest interaction.  Buxton makes a big point about sketches not
being prototypes (see pages 138-141) in his recent book on Sketching
though his chart on page 138 shows a gradual transition.  You can use
a sketch with annotation to describe how someone might use a single
component in a larger system and that would shift from pure sketch to
a representation where there is some interaction. Storyboards can
prototype interaction, but they can be just a series of sketches so we
have to ask if a single sketch is just a sketch, but more than one
sketch is a prototype (even with clickable links?).  I think that you
can see how something works at a particular level of granularity with
a sketch. It is sometimes useful to give people rough sketches and ask
them to envision how something might work (perhaps in future
workshops).

Chauncey

On Sat, Mar 7, 2009 at 1:38 PM, Todd Zaki Warfel <[email protected]> wrote:
> Explain to me how a one page sketch can be a prototype? A concept, sure. But
> a prototype?
>
> The point of a prototype is to communicate a design concept and see how it
> works. You can't really see/show how something works with just one sketch.
>
> On Mar 6, 2009, at 8:02 AM, Jordan, Courtney wrote:
>
>> I disagree. Even a one-page paper sketch can be a prototype - just a
>> low-fidelity prototype. See Carolyn Snyder's book, Paper Prototypes. I
>> often sketch ideas out before heading to Visio where they become
>> mid-fidelity prototypes. Once you add some colors and images - then it's
>> a high-fidelity prototype.
>>
>> Courtney Jordan
>
>
> Cheers!
>
> Todd Zaki Warfel
> Principal Design Researcher
> Messagefirst | Designing Information. Beautifully.
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