On 17 Apr 2002, at 8:36, Matthew Hindson wrote:

> I would agree in general with this, although personally I would say that
> Sibelius is considerably more intuitive at the early stages, less so as you
> go along and want to do 'harder' stuff (which may be graphically based, as
> you point out).

One of the things every computer programmer or user interface designer 
has to reconcile is that "ease of learning" and "ease of use" are often 
in conflict with each other.

An interface that holds your hand and makes decisions for your is likely 
to speed learning, and allow you to accomplish tasks quickly without any 
steep learning curve (as long as the tasks you want to accomplish are the 
ones the UI designer mapped out for you). But often, the hand-holding 
interface then gets in the way once you *know* what you want to do.

A UI needs to be forgiving of different levels of knowledge and 
experience. It should provide assistance to the newbie, but that 
assistance shouldn't get in the way of the experienced user.

Also, one needs to design the UI on the ease of learning/ease of use 
continuum based on how often a user will need the function. Infrequently-
used features benefit everyone, novice and adept, because if you only do 
it once every six months, you're always a novice at it! But frequently-
used features probably benefit from non-intrusive user interfaces. Those 
may then be opaque to the novice, but once learned, can be extremely 
quick.

For some ruminations on user interface design that came from setting my 
clocks back last October, you may find this Usenet post interesting:

http://groups.google.com/groups?selm=914BBAD08dfentonbwaynet%40news-
server.nyc.rr.com

(all on one line)

-- 
David W. Fenton                         |        http://www.bway.net/~dfenton
David Fenton Associates                 |        http://www.bway.net/~dfassoc
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