1. EFFECTS OF PREFERENCE ON THE EMERGENCE OF UNTRAINED VERBAL OPERANTS. Issue 2 (19th April 2013) Authors: Gilliam, Alysia; Weil, Timothy M.; Miltenberger, Raymond G. Journal: Journal of applied behavior analysis Issue: Volume 46:Issue 2(2013:Summer) Page Start: 523 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗