Five short moments at work, each with someone from one side of the Atlantic and someone from the other. Pick what you would do. One option is clearly best, one is workable, two will cost you something.
Adapted by the international exchange programmes of Lycée Brémontier, Bordeaux, from the culture-assimilator method of K. Cushner & R. W. Brislin, Intercultural Interactions: A Practical Guide (SAGE, 1995). These are general tendencies, not rules about individuals.