Which of the following is a guideline for improving intercultural communication?

A) Consider aspects like personal appearance when trying to judge a person.
B) Be flexible and prepared to change your habits and attitudes.
C) Avoid using sources like travel guidebooks to learn about a culture.
D) Always assume that others will think, believe, and behave as you do.

Being flexible and open to change is essential for improving intercultural communication. It allows us to learn from others and adapt our communication style to fit their cultural norms. Assuming that others will think, believe, and behave as we do (option D) can lead to misunderstandings and cultural clashes, while considering personal appearance as the sole determinant of a person's cultural background (option A) is reductionist and stereotypical. Travel guidebooks (option C) can provide some helpful information, but they should be supplemented with personal experiences and interactions with individuals from other cultures.