Final answer:
Judith Martin has been known for her etiquette advice under the name Miss Manners since 1978, distinct from Emily Post, Dear Abby, and Ann Landers.
Step-by-step explanation:
Since 1978, Judith Martin has dealt out etiquette advice under the name Miss Manners. Judith Martin is not associated with the names Emily Post, Dear Abby, or Ann Landers, all of whom are also known for giving advice but are separate individuals with their own columns. Miss Manners provides guidance on proper behavior and etiquette, addressing various social situations and questions from readers seeking advice on polite conduct.