Figure 4

Materials. a) The five spoons from which the participants sampled the yoghurt in Experiment 1. From the left, the second and fourth spoons had weights hidden in the handles. b) The five coloured spoons and the yoghurt (one white, and one artificially coloured with red food dye) used in Experiment 2. c) The cutlery and cheese used in Experiment 3 is shown as it was presented to participants (though participants would have only seen one piece of cutlery at a time).