IS
IS NOT
WHAT
What specific object(s) has the deviation?
What is the specific deviation?
WHERE
Where is the object when the deviation is observed (geographically)?
Where is the deviation on the object?
WHEN
When was the deviation observed first (in clock and calendar time)?
When since that time has the deviation been observed?
What pattern?
When, in the object's history or life cycle, was the deviation observed first?
EXTENT
How many objects have the deviation?
What is the trend in the number of objects with the deviation?
What is the size of a single deviation?
What is the trend in the size?
How many instances of the deviation are on each object?
What is the trend in the number of instances?
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