Factor the expression. 
Definitions:
Internal-Unstable
This term is not standard; please provide context or it might be incorrect.
External-Unstable
An attributional style where individuals attribute their successes or failures to external, temporary factors.
Dispositional Attribution
The tendency to attribute someone's behavior to their disposition or personality rather than to external factors.
Defensive Attribution
A tendency to attribute more blame to the victims of accidents for their misfortune the more severe the accident was, often as a way to see the world as just and predictable.
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