social norm

Ellickson used in OWL: 3 criteria, pattern, aspirational statements, sanctions.

Pattern	Statements	Sanctions	What we'd call it	Comments
+	+	+	NORM	You should stand behind your product
+	+	-	Convention?	Bring wine when you come to dinner
+	-	+	??	??
+	-	-	Habit	Fork in right hand
-	+	+	Perverse?	Behavior varies but people talk about it as if not and react to "violations"
-	+	-	Hollow value	People claim something ought to be so, but behavior varies and no one ever does anything. Speed limits up to a point?
-	-	+	Unspoken perverse value	Behavior varies, nobody articulates a standard, but beyond some threshold, behavior engenders response
-	-	-	Irrelevant	Nuttin'