Incorporating Usability Testing into the Documentation Process
http://www.ingentaconnect.com/content/stc/tc/2004/00000051/00000001/art00005
  access restricted (by the publisher) to members/subscribers/customers only
  peer-reviewed

Postava-Davignon, Christi-Anne, Candice Kamachi, Cory Clarke, Gregory Kushmerek, Mary Beth Rettger, Pete Monchamp and Rich Ellis
Technical Communication Online
2004

Abstract:

Describes how one company approaches usability testing of documentation and incorporates usability testing into its writing process through a Documentation Usability Team.