Tag Archives: moderator presence

Hackman G.S. and Biers, D.W. (1992) Team Usability Testing: Are two Heads Better than One? Proceedings of the Human Factors and Ergonomics Society Annual Meeting, October 1992; vol. 36, 16: pp. 1205-1209.

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DOI= 10.1177/154193129203601605 Hackman and Biers made studies to compare the performance of a single user alone, a single user with an observer and a pair of users all using the thinking aloud method. Their results showed that the presence of … Continue reading

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Schulte-Mecklenbeck, M. and Huber, O. (2003) Information search in the laboratory and on the Web: With or without an experimenter. Behavior Research Methods, Instruments, & Computers, Vol. 35, No. 2, pp. 227-235.

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DOI= 10.3758/BF03202545 The studies of Schulte-Mecklenbeck and Huber focused on the effect of the location of test comparing laboratory settings and uncontrolled settings in locations selected by the users. The users were asked to do risky decision making, and find … Continue reading

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