Tesco the customer. Such schemes came to light after HMRC litigated against Debenhams over the scheme in 2005. Tesco's expansion has been criticised, and in some cases actively opposed. In January 2013, the British media reported that horse meat had been found in some meat products sold by Tesco, along with other retailers, particularly burgers. Prime Minister David Cameron called this "unacceptable", with products showing 29.1% horse meat in the "Value" range burger, which were supposed to be beef. It was later revealed in February 2013 that some of Tesco's Everyday Value Spaghetti Bolognese contained 60% horse meat. Tesco withdrew 26
Psychology of eating meat individuals' values and attitudes affect the frequency and comfort with which they eat meat. Those who value power more highly have been found in several studies to eat more meat, while those who prefer self-transcendence values tend to eat less. In particular, studies have found that the personality trait of openness to experience is negatively correlated with meat consumption, and that vegetarians and pesco-vegetarians have more open personalities. Other research has indicated that meat consumption is correlated with support for hierarchy and inequality values. Those with a social dominance orientation, who more strongly support inequality and hierarchical structures, have been