Answer:
Visits to competitors' locations
Step-by-step explanation:
Analyzing the information obtained in the scenario of the question above, it is correct to state that Jacob plans to use the primary market research method of visits to competing locations.
This method consists of gathering essential data and information for his research collected directly in a place that can serve as a parameter as a real scenario, that is, when visiting competing places, Jacob will be able to achieve his goal of collecting information, which is to analyze through of a real situation as is the behavior of random consumers on their own and understand their reactions.
This method can be effective because it eliminates biased behaviors by research participants, so that it can identify a real consumption situation without any type of interference, and it can be ideal to identify patterns of behavior that help to identify data about changes in consumer preferences, interests and demands, which is the goal of your research.