A professor conducted an experiment in which she asked one group of students to keep smiling and another group to keep frowning for a certain period of time. after five minutes, the professor discovered that the students who kept smiling reported being happier than those who kept frowning. these results most strongly support the:

The answer is facial feedback hypothesis. It expresses that facial development can impact passionate experience. For instance, a person who is compelled to grin amid a get-together will really come to discover the occasion a greater amount of an agreeable affair. Be that as it may, in all exploration, trouble stayed in how to quantify an impact without alarming the member to the idea of the investigation and how to guarantee that the association between facial movement and relating feeling isn't understood in the strategy.