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From: nielsen@bellcore.com (Jakob Nielsen)
Newsgroups: comp.cog-eng
Subject: Re: Studies with more than 40 test users
Message-ID: <1991Jan22.154100.23742@bellcore.bellcore.com>
Date: 22 Jan 91 15:41:00 GMT
References: <1991Jan15.222612.8008@bellcore.bellcore.com>
Sender: usenet@bellcore.bellcore.com (Poster of News)
Organization: Bellcore - Bell Communications Research
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I have received a rather small number of replies to my request for data from
empirical user interface studies with 40 test users or more. Therefore, I am
still interesting in hearing about any additional such studies.

Several people told me that they originally had such data but that it was not
longer available. Unfortunately, much data seems to be deleted after the
publication of papers, Ph.D. theses and such, making it difficult to do the
kind of meta-study I am planning.
--
Jakob Nielsen, Bellcore MRE-2P370, 445 South St, Morristown, NJ 07962-1910, USA
email nielsen@bellcore.com, tel. +1-201-829-4731, fax +1-201-538-9093