“…Eight studies were conducted in the USA (Ugarriza, 2002;Pierce et al, 2003;Barg et al, 2006;Soonthrochaiya & Dancy 2006;Black et al, 2007;Switzer et al, 2009;Wittink et al, 2009;Conner et al, 2010), one in the UK (Lawrence et al, 2006), three in Sweden (Hedelin & Strandmark, 2001a;Hedelin & Strandmark, 2001b;Hedelin & Jonsson, 2003) and one in New Zealand (Allan & Dixon, 2009). …”