Mr. Host says he devotes at least half a classroom session each semester to teaching students about the design of name badges.

WSJ: Conventional Wisdom: Nametags Say a Whole Lot About You

Badges, he says, should detail the attendee's first name in at least 36-point type, which is a half-inch tall, followed below in 24-point type by full name, title, company, city and state.

WSJ: Conventional Wisdom: Nametags Say a Whole Lot About You