Chris - I wrote an article on this topic for the SIGCHI Bulletin (while it was still a printed publication sent to all SIGCHI members). It's at http://www.syntagm.co.uk/design/articles/howmany.htm
Regards, William Hudson Syntagm Ltd Design for Usability UK 01235-522859 World +44-1235-522859 US Toll Free 1-866-SYNTAGM mailto:william.hud...@syntagm.co.uk http://www.syntagm.co.uk skype:williamhudsonskype Syntagm is a limited company registered in England and Wales (1985). Registered number: 1895345. Registered office: 10 Oxford Road, Abingdon OX14 2DS. Confused about dates in interaction design? See our new study (free): http://www.syntagm.co.uk/design/datesstudy.htm 12 UK mobile phone e-commerce sites compared! Buy the report: http://www.syntagm.co.uk/design/uxbench.shtml Courses in card sorting and Ajax interaction design - Las Vegas and Berlin: http://www.nngroup.com/events/ > -----Original Message----- > From: discuss-boun...@lists.interactiondesigners.com [mailto:discuss- > boun...@lists.interactiondesigners.com] On Behalf Of Chris Ryan > Sent: 01 October 2009 7:06 PM > To: disc...@ixda.org > Subject: [IxDA Discuss] Article on Number of Usability Test > Participants > > I have been looking, unsuccessfully, through back issues of > interactions magazine for an article, published a few years back, ________________________________________________________________ Welcome to the Interaction Design Association (IxDA)! To post to this list ....... disc...@ixda.org Unsubscribe ................ http://www.ixda.org/unsubscribe List Guidelines ............ http://www.ixda.org/guidelines List Help .................. http://www.ixda.org/help
