Questions: Which of the following is defined by age, gender, marital status, number of children, education level, or occupation?

The answer is 3) Demographic differences.

Explanation for each option:

1. Geographic differences: This refers to variations based on location, such as country, region, city, or neighborhood. It does not encompass characteristics like age, gender, or education level.

2. Socio-cultural differences: These differences pertain to cultural and social factors, such as traditions, values, beliefs, and social norms. While these can influence demographic characteristics, they are not defined by them.

3. Demographic differences: This is the correct answer. Demographic differences are defined by measurable characteristics of a population, such as age, gender, marital status, number of children, education level, and occupation.

4. Psychographic differences: These differences relate to psychological attributes, including lifestyle, interests, attitudes, and values. They are more about the mental and emotional aspects of individuals rather than their measurable demographic characteristics.