Studies from Fredrickson's lab have randomly assigned participants watch films that induce positive emotions such as amusement and contentment, negative emotions such as fear and sadness, or no emotions. Compared to people in the other conditions, participants who experience positive emotions show heightened levels of creativity, inventiveness, and "big picture" perceptual focus. Longitudinal studies show that positive emotions play a role in the development of long-term resource such as psychological resilience and flourishing.
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