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Building new software requires an estimate
for the project owner how long it will take (and how much it will cost).
This is one of the dark arts in System Architecture. Unless you repeat
a previous exercise 100% you are limited to guesstimates. And you NEVER
repeat a previous project 100%, since there would be no need, just use
last times results.And
guesstimates are a waste
of time!
On my Sunday blog tour (while Anthony
and Ernest mess up the house <g>) I came across
a very true quote:
"We spent so much time arguing
whether or not it work, and when we prototyped it, it worked remarkably
well. We could have saved so much time, if we had just build it sooner."
Another reason to do paper
prototyping.
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Comments
Posted by Peter Norton At 02:43:41 On 12/14/2005 | - Website - |
thx for the link. I appreciate this kind of feedback. I will have a look. There are a number of prototyping tools around. Another example is Denim: http://dub.washington.edu/denim/
As long as the tools are around is the discussion if paper or tool is the way to go. Both approaches warrant merits of their own. I don't need to talk about the tools advantage, you probably would know yourself. The paper approach shines here:
- Unbeatable turnanround time (e.g. Typo: take a pencil and fix it < 1sec, entry field missing: take the pencil, draw a box < 1sec, additional cross-link: < 1sec).
- Unfinished look : better user feedback
- Easy to learn
- Haptic : People need to do physical action to prepare and do it --> speeds thinking
- slow test : a lot of interaction time to get to know the user and their needs
Just my 2c
Posted by Stephan H. Wissel At 09:40:38 On 12/14/2005 | - Website - |