Ritch Macefield

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Publication Statistics

Publication period start
2007
Publication period end
2009
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0

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Publications

Macefield, Ritch (2009): How To Specify the Participant Group Size for Usability Studies: A Practitioner's Guide. In Journal of Usability Studies, 5 (1) pp. 34-45. http://www.upassoc.org/upa_publications/jus/2009november/JUS_Macefield_Nov2009.pdf

Macefield, Ritch (2007): Usability studies and the Hawthorne Effect. In Journal of Usability Studies, 2 (3) pp. 145-154. http://www.upassoc.org/upa_publications/jus/2007may/hawthorne-effect.pdf