People may express their feelings differently on different occasions. Cultures sometimes vary greatly in this regard. A group of researchers in Japan, 16 , studied the facial reactions of students to a horror film. When the Japanese students watched the film 17 the teacher present, their faces showed only the slightest hints of reaction. But when they thought they were alone (though they 18 by a secret camera), their faces twisted into vivid mixes of anguished distress, fear, and disgust.
The study also shows that there are several unspoken rules about how feelings should be
19 shown on different occasions. One of the most common rules is minimizing the show of emotion. This is the Japanese norm for feelings of distress 20 someone in authority, which explains why the students masked their upset with a poker face in the experiment.
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