Niels Ebbe Jacobsen, Morten Hertzum, Bonnie E. John. The evaluator effect in usability tests. In Clare-Marie Karat, Arnold M. Lund, editors, CHI 98 Conference Summary on Human Factors in Computing Systems, CHI '98, Los Angeles, California, USA. pages 255-256, ACM, 1998. [doi]
Abstract is missing.