Answer:
focus group
Step-by-step explanation:
Focus group -
It refers to the combination of various people , whose feedback and reactions are studied for the purpose of any research work , is referred to as a focus group .
The focus group is used in order to collect any data via experiments , interactions etc.
A pure and fresh feedback or review are provided by the focus group , as it is further used for the research purpose .
Hence , from the given scenario of the question ,
The correct answer is focus group .