Personal influence, reference groups, family influence, and culture are types of influence on the consumer purchase decision process. psychological sociocultural situational

The correct answer is - sociocultural.

Explanation:

Sociocultural Influence is the type of influence that is developed from the interrelationship of the different group of peoples, families and cultures that could be formal or informal relationship. Reference of services and group of products can greatly affect the other group on the based of their standards and comparative nature.

These groups can be influence other's decision process to buy or avoid the products and services such as luxury items. Sociocultural group shows great effect on influencing group of people.

Thus, the correct answer is - sociocultural.

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