Teresa is trying to understand her customers better. She is examining the external influences that shape her customers' self-concepts and lifestyles. Which of the following is a possible external influence Teresa could examine?
a) motives
b) personality
c) perception
d) attitudes
e) culture

(E) Culture

Explanation:

 The culture is the term which is used to refers to the people and the group behavior, values, behavior, specific goals and also the attitude in the society.

According to the given question, the culture is one of the type of external influence that the Teresa is examining and it helps in analyzing the consumer's lifestyles and also the self concept.

This process is suitable for the Teresa so that she can easily understand the actual requirement and demand of the customers on the basis of their specific culture.

  Therefore, Option (E) is correct answer.

buying socks and buying shoes are independent events.