After defining the problem in the marketing research process, the next step is to develop a research design. This phase outlines how to gather and analyze data to address the problem effectively. A solid research design is critical for obtaining relevant insights. ;
After defining the problem in marketing research, the next step is to develop a research design, which outlines how to gather and analyze relevant data. This phase is essential for ensuring that the research addresses the identified issue effectively. Therefore, the correct answer is A. They develop a research design.
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