Answer:
Internal consistency
Step-by-step explanation:
Internal consistency measures the reliability of a party. it measures all those aspects which you want to measure. If there is a different item in subgroup but at last, it measures what actually should measure then it calls an internal consistency.
For Example
If you want to know the feedback of your customer then you asked them the question from a different area of your hotel but it measures what you want to measure that is called internal consistency.