The answer choice which is useful for conducting market research is a Focus group.
What is Market Research?
This refers to the activity where the information about the customer's needs and preferences is gotten.
Hence, we can note that focus groups are important because they give important insight into customer habits, preferences, needs, and things that are likely to influence their market and purchase habits.
Read more about focus groups here:
https://brainly.com/question/628507
