M. Hassenzahl, M. Burmester, and F. Koller, AttrakDiff: Ein Fragebogen zur Messung wahrgenommener hedonischer und pragmatischer Qualit??t, Computer, pp.187-196, 2003.
DOI : 10.1007/978-3-322-80058-9_19

J. Brooke, SUS: a " quick and dirty " usability scale, pp.189-194

T. S. Tullis and J. N. Stetson, A Comparison of Questionnaires for Assessing Website Usability, 2004.

. Iso, Ergonomic requirements for office work with visual display terminals (VDTs)-Part 11: guidance on usability-Part 11: guidance on usability, pp.9241-9252, 1998.

A. S. Patrick, S. Kenny, C. Holmes, and M. Van-breukelen, Human Computer Interaction. Handbook for Privacy and Privacy-Enhancing Technologies: College bescherming persoonsgegevens, pp.249-290, 2003.

J. S. Pettersson, HCI Guidelines, PRIME Deliverable, D6.1.c, https, 2005.

K. Hornbaek, Current practice in measuring usability: Challenges to usability studies and research, International Journal of Human-Computer Studies, vol.64, issue.2, pp.79-102, 2006.
DOI : 10.1016/j.ijhcs.2005.06.002

E. Frøkjaer, M. Hertzum, and K. Hornbaek, Measuring Usability: Are Effectiveness, Efficiency, and Satisfaction Really Correlated?, Proceedings of the ACM CHI 2000 Conference on Human Factors in Computing Systems, pp.345-352, 2000.

D. Edmondson, Likert Scales: A History. CHARM ? the Conference on Historical Analysis and Research in Marketing, pp.127-132, 2005.

P. V. Butler, Linear Analogue Self-Assessment and Procrustean Measurement: A Critical Review of Visual Analogue Scaling in Pain Assessment, J. Clin. Psychol. Med. Settings, vol.19, pp.111-129, 1997.

R. Göb, C. Mccollin, and M. Ramalhoto, Ordinal Methodology in the Analysis of Likert Scales, Quality & Quantity, vol.46, issue.1, pp.601-626, 2007.
DOI : 10.1007/s11135-007-9089-z

A. Anastasi and S. Urbina, Psychological Testing, NJ, 1997.

G. W. Van-blarkom, J. J. Borking, J. G. Olk, . Pet, and . In, Handbook of privacy and privacy-enhancing technologies (the case of intelligent software agents), 2003.

R. Harbird, Privacy enhancing technologies In: Information Commissioner's Office, UK, Privacy by design, 2008.

R. Koorn, H. Van-gils, J. Ter-hart, P. Overbeek, and R. Tellegen, Privacy-enhancing technologies: White paper for decision makers, The Netherlands: Ministry of Interior and Kingdom Relations, 2004.

M. Bergmann, S. Fischer-hübner, P. Duquenoy, A. Zuccato, and L. Martucci, Generic Predefined Privacy Preferences for Online Applications, The Future of Identity in the Information Society Boston, pp.259-273, 2008.
DOI : 10.1007/978-0-387-79026-8_18