The "age-old method" in market surveys typically refers to traditional or conventional methods of gathering market data. These methods are often manual, time-tested, and have been used for decades before the rise of digital and automated techniques.In terms of different market survey types, the age-old method belongs to:1. Face-to-Face Surveys (Personal Interviews)Conducted in person, often with paper questionnaires.Used in door-to-door surveys, mall intercept surveys, or street interviews.2. Telephone SurveysInterviewers call respondents to gather insights.Commonly used before online surveys became popular.3. Mail Surveys (Postal Questionnaires)Questionnaires are sent through postal mail to respondents.A slower but traditional method used for gathering customer opinions.4. Focus Group Discussions (FGDs)Small groups of respondents discuss a product, service, or concept.A qualitative research method widely used in marketing studies.5. Observation MethodResearchers observe consumer behavior in real-world settings (e.g., tracking shopping patterns in stores).An early method used before technological tracking tools.