Estavan received a questionnaire in the mail asking about his general buying habits.He was asked to identify the specific products that he typically buys,and the amount of each product that he typically uses.Which type of research will Estavan have taken part in if he completes the questionnaire and returns it

A)  archival research 
B)  naturalistic observation 
C)  survey method 
D)  case study approach

Buying Habits

Patterns or tendencies that consumers show when purchasing goods and services, often analyzed for marketing strategies.

Survey Method

A research technique for gathering data from a predefined group of respondents by asking questions, analyzing the results, and generalizing the findings.

Questionnaire

A set of written questions used for gathering information from respondents, typically in research studies.