Noncontingent reinforcement: effects of satiation versus choice responding.
NCR works because clients choose to skip the work, not because they get stuffed with reinforcers.
01Research in Context
What this study did
The team tested why noncontingent reinforcement (NCR) lowers problem behavior. They asked: is it because the client gets full of the reinforcer, or because the client chooses not to work for more?
They ran a single-case experiment. Free reinforcers were delivered on a fixed clock, no matter what the client did. At the same time, the client could still work to earn the same item the old way. The setup let them watch satiation and choice in real time.
What they found
Problem behavior dropped fast, but the clients rarely used all the free items. They still had room for more, so satiation was weak.
Most clients simply stopped working for extra tokens while free reinforcers were coming. Their choice to abstain, not fullness, did the work.
How this fits with other research
Virues-Ortega et al. (2013) ran a similar lab test and also ruled out response competition. Together the two papers show the schedule itself, not extra tasks, cuts behavior.
Noel et al. (2016) moved the same procedure to an after-school room with students with autism and got the same drop in disruption. The choice effect holds outside the lab.
Ingvarsson et al. (2023) later argued that antecedent, non-operant cues can also drive NCR effects. The 1999 data fit that view: free items acted as a cue to take a break, not as a belly-filler.
Why it matters
When you run NCR, do not worry about giving "too much" of the reinforcer. Instead, watch for the moment the client chooses to pause their usual response. That pause is your green light that the procedure is working. You can now thin the schedule or add demands without triggering a burst.
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Join Free →During your next NCR session, give free items on a timer and count how many the client actually consumes; if intake stays low but behavior stays down, you have evidence the choice effect is doing the job.
02At a glance
03Original abstract
Recent research findings suggest that the initial reductive effects of noncontingent reinforcement (NCR) schedules on destructive behavior result from the establishing effects of an antecedent stimulus (i.e., the availability of "free" reinforcement) rather than extinction. A number of authors have suggested that these antecedent effects result primarily from reinforcer satiation, but an alternative hypothesis is that the individual attempts to access contingent reinforcement primarily when noncontingent reinforcement is unavailable, but chooses not to access contingent reinforcement when noncontingent reinforcement is available. If the satiation hypothesis is more accurate, then the reductive effects of NCR should increase over the course of a session, especially for denser schedules of NCR, and should occur during both NCR delivery and the NCR inter-reinforcement interval (NCR IRI). If the choice hypothesis is more accurate, then the reductive effects of NCR should be relatively constant over the course of a session for both denser and leaner schedules of NCR and should occur almost exclusively during the NCR interval (rather than the NCR IRI). To evaluate these hypotheses, we examined within-session trends of destructive behavior with denser and leaner schedules of NCR (without extinction), and also measured responding in the NCR interval separate from responding in the NCR IRI. Reductions in destructive behavior were mostly due to the participants choosing not to access contingent reinforcement when NCR was being delivered and only minimally due to reinforcer satiation.
Research in developmental disabilities, 1999 · doi:10.1016/s0891-4222(99)00022-0