John is a supporter of environmental issues. he is constantly examining the "green" credentials of the products he purchases. it may be very effective to reach john with marketing actions based on segmentation.

Psychographic segmentation.

Explanation:

It may be very effective to reach John, who examines the "green" credentials of the products he purchases with marketing actions based on psychographic segmentation. Psychographic segmentation refers to the division of customers into sub-groups according to their values and beliefs. Psychographic segmentation tries to know which psychological factors are taken into account when buying a product, to reach the customers with the right message.

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