Researchers collect various types of data using surveys; here’s the most common classification:

• Demographic data: race, age, gender, education, income, employment status, etc.
• Consumer data: purchasing habits and brand preferences.
• Health data: physical health status and healthcare utilization.
• Psychological data: personality traits, cognitive processes, and emotional states.
• Attitudinal & behavioral data: opinions, beliefs, values, and the frequency of specific behaviors or activities.

Click here to learn how to avoid mistakes while collecting survey data.