Examples of internal attributions include:
A student that believes their lack of effort to be the cause of a bad grade.
A new driver that blames their inexperience to be the cause of a car accident.
A woman that blames her low-self esteem to be the cause of a break-up.
Examples of external attributions include:
A student that blames their teacher to be the cause of a bad grade.
A new driver that blames a flat tire to be the cause of their accident.
A woman that blames her busy work schedule to be the cause of a break-up.