Positive psychology is an emerging science, focussing on positive emotions as opposed to negative emotions. Barbara Fredrickson (2003) proposes a model to approach positive emotions that explains why positive emotions are evolved and why they benefit human-beings.
The model of negative emotions suggests that negative emotions are of importance for the immediate survival. For example, fear urges individuals to flee. Negative emotions are therefore seen as being adaptive in evolution. Positive emotions on the other hand, do not urge individuals to act immediately to survive, so the purpose of positive emotions for survival were long unclear. “The value of positive emotions” verder lezen