T of Colour of the Walls in a Restaurant on People’s Motivation to Eat

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Title: Effect of Colour of the Walls in a Restaurant on People’s Motivation to Eat 1. Introduction Researchers have done studies on what feelings will different colour give us, for instance, red implies passion and blue represents relaxation. (Jones, 2011). Researchers have also done investigations on ways to enhance and to diminish eating motivation. (Doughton, 2002). However, to my best knowledge, nobody has studied the relationship between colour and appetite. Will colour affect appetite? What colour will strengthen or weaken the desire for food? In order to answer these questions, an experimental design is set up to investigate how various colour of wall finishes in restaurants will affect customers’ appetite. 2. Method 2.1 Participants Sixty subjects are invited to participate in this experiment. They are divided into three groups of twenty. Each group has ten males and ten females. All subjects are told not to eat three hours before joining the experiment. They are said to have similar appetite and have the same tendency to order food. 2.2 Design The first and the second groups are named the red-wall and the blue-wall groups respectively, which act as the experimental groups. The third group is called the white-wall group. It plays the role of a control group. Interior paintings of red and blue are chosen for manipulation because they are from opposite categories of colour and they bring opposite feelings to us. These contrasts may lead to different effect on people’s appetite. Both the experimental and control groups are then measured on the number of plates ordered by the subjects to see whether there is a difference between the groups. The number of food orders is the indication of appetite. 2.3 Procedures The sixty participants are randomly assigned into three groups, so that there are no differences in the

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