02:4002:40, 24 September 2009diffhist+301
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User:Hblanchard
←Created page with '((user page)) I am a professional in ergonomics and user interface design with a doctorate in psychology. I occasionally edit articles (either under this user name...'
02:1202:12, 24 September 2009diffhist+1,634
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Mackworth Clock
←Created page with 'The Mackworth Clock is an experimental device used to study the effects of long term vigilance on the detection of signals. It was originally created by Norman Mack...'Tag: large unwikified new article
02:4002:40, 24 September 2009diffhist+301
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User:Hblanchard
←Created page with '((user page)) I am a professional in ergonomics and user interface design with a doctorate in psychology. I occasionally edit articles (either under this user name...'
02:1202:12, 24 September 2009diffhist+1,634
N
Mackworth Clock
←Created page with 'The Mackworth Clock is an experimental device used to study the effects of long term vigilance on the detection of signals. It was originally created by Norman Mack...'Tag: large unwikified new article