[Fwd: [Fwd: New Report Quantifies Web Usability for People with Disabilities]]

-------- Original Message --------
Subject: [Fwd: New Report Quantifies Web Usability for People with
Date: Thu, 25 Oct 2001 10:26:48 +0100
From: Calum Benson <calum benson sun com>
Organization: Sun Microsystems Ireland
To: GNOME Accessibility Task Force <gnomeaccessibilitytaskforce sun com>

Might be of interest to some of you, not directly relevant to the GNOME

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A recent press announcement from the Norman Nielsen group about its report
'Beyond ALT Text: Making the Web Easy to Use for Users with Disabilities'
(http://www.nngroup.com/reports/accessibility) included some rather
disconcerting statistics from the research:

      * Task completion rate:
          Screen reader users were able to complete the tasks given to them 12.5% of the time;
          screen magnifier users 21.4% of the time;
          control group 78% of the time.

      * Time on a task (min:sec):
          Screen reader users spent 16:34 on task;
          screen magnifier users spent 15:26 on task;
          control group 7:14 on task.

      * Errors (average across all tasks):
          Screen reader users 2.0;
          screen magnifier users 4.5;
          control group .06.

      * Subjective rating (1-7 scale with 7 indicating the most positive):
          Screen reader users 2.5;
          screen magnifier users 2.9 on task;
          control group 4.6.


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