While few would disagree that token economies are effective in bringing certain positive and negative target behaviors under contingent control, the recent past has witnessed increased concern over choice of targets as well as back-ups, voluntary versus involuntary client participation, as well as the effectiveness of such programs in meeting…

Ten schizophrenic and autistic children who exhibited self destructive, tantrum, echolalic, and self stimulatory behaviors were treated by reinforcement therapy. Reinforcement withdrawal, in the form of interpersonal isolation contingent upon self-destruction, and electrical shocks served to extinguish these behaviors in some children.…