American society seems to be much more informal than the British and, in some ways, is characterized by less social distinction. Students do not rise when a teacher enters the room. One does not always address a person by his title, such as "Major" or "General" or "Doctor" in the case of a holder of a Doctor of Philosophy degree. The respectful "Sir" is not always used in the northern and western parts of the country.
However, it is best to use a person's title when first meeting him/her, and then allow the person to tell you how he/she wishes to be called.…
