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Subject:
From:
William Hudson <[log in to unmask]>
Reply To:
William Hudson <[log in to unmask]>
Date:
Fri, 22 Oct 2004 16:50:55 +0100
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Karen -

Card, Moran an Newell use .4 seconds in their keystroke-level model.
(_The Psychology of Human-Computer Interaction_)

Regards,

William Hudson
Syntagm Ltd
Design for Usability
US Toll Free 1-866-SYNTAGM
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http://www.syntagm.co.uk
http://www.designforusability.com
 

> -----Original Message-----
> From: ACM SIGCHI WWW Human Factors (Open Discussion) 
> [mailto:[log in to unmask]] On Behalf Of Karen Casemier
> Sent: 19 October 2004 20:31
> To: [log in to unmask]
> Subject: Time loss when switching input methods (keyboard to mouse)
> 
> I know I have this info somewhere, but cannot find it. Are 
> there studies out there that identify how much time (in 
> seconds) is lost when users are forced to switch from the 
> keyboard to the mouse (or vice versa)...

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