An apology takes a lot of forms. A long text at midnight. Four words in a driveway. A pie left on a counter with no note. A phone call about nothing in particular that both people understand is about something. Roy Lewicki, a management professor at Ohio State, ran 755 people through apology scenarios and came out with six parts: Saying you regret it. Explaining what happened. Admitting it was your fault. Promising not to do it again. Offering t…