Attribution is a theory that explains people's motivation to attach a cause to a behaviour. External attribution or situational attribution is a type of attribution that suggests individuals attribute the cause of an event to external factors such as the situation surrounding a given entity that brings about a certain response from that entity.
When distinctiveness is high, consensus is high and consistency is high, people tend to attribute the cause of a behavior to external factors-external attribution.
Answer: Hannah felt this way because her body couldn't differentiate between good stress and bad stress. Hannah had a wonderful wedding, but ended up tired due to the stress-response
