The marketing managers of Sean's Smoothies need to conduct some exploratory research to help them develop a survey for some descriptive research in the future. The best data collection technique for this research would be ________ because the firm has time and is worried that talking to multiple customers simultaneously may taint the results.
A. Focus groups
B. In-depth interviews
C. Experiments
D. Surveys
E. Observation
Answer: B. In-depth interviews