During a teaching development workshop, Marco learns that in many middle eastern cultures the use of the “Thumbs-up” signal is an insult not as something positive like in the USA. Marco knows he uses that symbol often in his teaching and he knows there is a large population of middle eastern students at his school. In order to be more respectful of his students' cultures, Marco decides he will no longer use the “Thumbs-up” sign when teaching. When Marco changes his behavior he is practicing what element of Intercultural Communication Competence? Group of answer choices Tolerance of Uncertainty Cognitive flexibility Intersectional Flexibility Self-disclosure