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The effects of noncontingent delivery of high- and low-preference stimuli on attention-maintained destructive
W W Fisher1, J T O'Connor, P F Kurtz
1Kennedy Krieger Institute and Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.
Abstract:
An adolescent with severe mental retardation and cerebral palsy who displayed attention-maintained destructive behavior was exposed to noncontingent reinforcer delivery (NCR) with either a high-preference or a low-preference stimulus while reinforcement for destructive behavior with attention remained in effect (i.e., NCR without extinction). NCR without extinction was effective only when the high-preference stimulus was available, suggesting that systematic assessment of stimulus quality may enhance the effectiveness of NCR with alternative stimuli.
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