Final answer:
Cooperation with customers is critical to good marketing research because they use and usually pay for the product. Additionally, working with stakeholders who have an interest in the product is essential for identifying actual problems and conducting a root cause analysis.
Step-by-step explanation:
Because market researchers must be sure that they are focusing on actual problems, cooperation with customers is critical to good marketing research. Additionally, collaboration with stakeholders is essential since they have an interest in the product, which could be a structure, object, or process. Stakeholders can include a variety of entities, such as government agencies, other companies, and individuals who are impacted by the product. Gathering information from customers and stakeholders ensures that market researchers can do a root cause analysis to identify the real problems they aim to solve through their design projects.