Survey entities

The figure below simplifies some of entities involved in a survey process. Can you tell which one is missing?

Basically a survey starts with the desire of a sponsor, who has a topic to cover.  This idea can have many uses, such as:

•                 analyze  process improvement or monitor its performance;
•                 implement a program evaluation;
•                 research about the quality of people’s work life;
•                 develop a market research regarding a specific product;
•                 investigate service customer satisfaction.

Once the topic is defined, the researcher will be response for the data collection and further analysis, providing final results to the sponsor.