Depressed people tend to attribute their negative experiences to causes that are internal, stable, and global. this pattern supports the theory.

The answer is "helplessness theory".

Helplessness theory is the view that clinical gloom and related psychological maladjustments may come about because of such genuine or saw nonattendance of control over the result of a circumstance. Learned helplessness is conduct run of the mill of a creature and happens where the subject continues over and again agonizing or generally aversive boosts which it can't escape or keep away from. After such experience, the creature frequently neglects to learn or acknowledge "escape" or "evasion" in new circumstances where such conduct would likely be successful. 

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