Final answer:
The best way to collect data on a person believed to talk too much in natural contexts is to use multiple methods - interviews, observation, and asking friends or family for their perspective.
Step-by-step explanation:
The best way to collect data on a person believed to talk too much in natural contexts is to use multiple methods. One method is to conduct interviews with the person, where you can ask questions and record their responses. Another method is to observe their behavior in different settings and take detailed notes. Additionally, you can also ask their friends and family for their perspective on the person's talking habits.