Ben is prone to experiencing emotions in a much stronger manner than most other people. events that don't provoke any significant emotional response in the average person often send him into fits of happiness, anger, or depression. ben has a high level of

The answer is affect intensity.  

Affect intensity is a characteristic that displays how much an individual responds emotionally to a stimulus. So for example an individual with low affect intensity will have emotional responses that are weaker in strength to a strongly emotional stimulus and vice versa in an individual with high affect intensity as in the example with Ben.

well this isn't a question but if you are asking if it is true or false it is, true.