Abstract
A single subject ABA reversal design was used in an attempt to change a chronic “screaming” behavior in an 80-yr-old nursing home resident. Two “therapeutic” contingencies were programmed simultaneously: (a) a positive reinforcement contingency (crf) using tangible as well as social reinforcers consequating the emittance of any desired “normal” behaviors was aimed at shaping and strengthening behaviors incompatible with screaming; and (b) a modified time-out contingency following immediately upon each screaming behavior was geared toward extinction of screaming behavior. Manipulation of the positive and negative consequences upon the occurrence of non-screaming and screaming behavior, respectively, resulted in the control of screaming behavior. Data are discussed in light of theoretical implications related to an ecological perspective towards aging as opposed to a biological perspective.
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