How we expect chocolate to taste depends on the colour of the wrapper Tim Gainey/Alamy
People expect chocolate to taste more bitter if it is in black packaging, while yellow and pink packaging is associated with sweeter-tasting chocolate.
Iuri Baptista at the University of Campinas in Brazil and his colleagues wanted to investigate how people respond to the colour of chocolate packaging.
The researchers sent a survey to 420 people between the ages of 18 and 60. Half of the participants were in Brazil and the other half were in France. The survey …
