“…One approach that has been used to offset these limitations has been to combine extinction with delivery of the consequent stimulus that historically reinforced problem behavior on a response-independent or timebased schedule, a treatment sometimes referred to as noncontingent reinforcement (NCR; Vollmer, Iwata, Zarcone, Smith, & Mazaleski, 1993). Although this term has been criticized for being inaccurate and imprecise (for discussions of the terminology issues, see Poling & Normand, 1999;Vollmer, 1999), we use it here to maintain contact with the literature most relevant to the current investigation.…”