Answer:
The most common way firms differentiate between consumer groups is Product Differentiation
Step-by-step explanation:
Consumer Groups are described in marketing, as the group of consumers/people who buy the same types of goods or products or even do the same things.
Meanwhile under Social Responsibility, Consumer groups is described as the association of people responsible for protecting the rights and interests of the consumers and even make sure that the goods and products sold to them are safe and fit for consumption. This association usually has laws enabling them to support and fight for the consumers e.g. Consumers Protection law.
However, there are several ways firms differentiate between consumer groups such as;
1. Product differentiation
2. Service differentiation
3. Price differentiation
4. Reputation/Image differentiation
5. Distribution differentiation
6. Relationship differentiation