align="center">
33
N.P. Li, J. Bailey, D.T Kenrick, J.W. Linsenmeier, The necessities and luxuries of mate preferences: Testing the tradeoffs, „Journal of Personality and Social Psychology” 2002, nr 82(6).
34
J. Natoli, 4 reasons focus groups don’t work, Give Good UX, http://www.givegoodux.com/4-reasons-focus-groups-dont-work/ [dostęp: 18.06.2012].
35
S. Krug, Don't Make Me Think: A Common Sense Approach to Web Usability, wyd. 2, New Riders, 2005; tłum. własne.
36
K. Mazurek-Łopacińska (red.), Badania marketingowe. Teoria i praktyka, PWN, Warszawa 2005.
37
K. Soucy, Collaging: Getting Answers To The Questions You Don’t Know To Ask, Smashing Magazine, 2012, http://www.smashingmagazine.com/2012/02/06/collaging-getting-answers-questions-you-dont-know-ask/.