title: Methodological issues in product evaluation: the influence of testing environment and task scenario.
authors.affiliation: Department of Psychology, University of Fribourg, Rue de Faucigny 2, Fribourg, Switzerland. juergen.sauer@unifr.ch
authors.forename: Juergen
authors.initials: J
authors.lastname: Sauer
authors.forename: Andreas
authors.initials: A
authors.lastname: Sonderegger