Differential reinforcement of alternative behavior (DRA) is used frequently as a treatment for problem behavior. Previous studies on treatment integrity failures during DRA suggest that the intervention is robust, but research has not yet investigated the effects of different types of integrity failures. We examined the effects of two types of integrity failures on DRA, starting with a human operant procedure and extending the results to children with disabilities in a school setting. Human operant results (Experiment 1) showed that conditions involving reinforcement for problem behavior were more detrimental than failing to reinforce appropriate behavior alone, and that condition order affected the results. Experiments 2 and 3 replicated the effects of combined errors and sequence effects during actual treatment implementation.
Data reliability and treatment integrity have important implications for clinical practice because they can affect clinicians' abilities to accurately judge the efficacy of behavioral interventions. Reliability and integrity data also allow clinicians to provide feedback to caregivers and to adjust interventions as needed. We present reasons why reliability and integrity measures are paramount in clinical work, discuss events that may result in decreased reliability or integrity, and provide several efficient means for collecting data and calculating reliability and integrity measures. Descriptors: Data analysis, integrity, reliability ABSTRACT I
A functional analysis for a boy with Down syndrome and autism suggested that vocal stereotypy was maintained by automatic reinforcement. The analysis also showed that instructions and noncontingent attention suppressed vocal stereotypy. A treatment package consisting of noncontingent attention, contingent demands, and response cost effectively reduced vocal stereotypy. The treatment package remained effective even when noncontingent attention was removed, making the procedure easier to implement. Also, the presence of the therapist in the room with the participant was faded systematically. After completion of fading, vocal stereotypy remained low during conditions similar to the no-consequence phase of the functional analysis.
We conducted descriptive observations of 5 individuals with developmental disabilities and severe problem behavior while they interacted with their caregivers in either simulated environments (an inpatient hospital facility) or in their homes. The focus of the study was on caregiver reprimands and child problem behavior. Thus, we compared the frequency of problem behavior that immediately preceded a caregiver reprimand to that immediately following a caregiver reprimand, and the results showed that the frequency of problem behavior decreased following a reprimand. It is possible that caregiver reprimands are negatively reinforced by the momentary attenuation of problem behavior, and the implications for long- and short-term effects on caregiver behavior are discussed.
Prior researchers have evaluated the efficacy of using the matching law to describe naturally occurring behavior-environment interactions. However, spurious matching could be obtained if the response and environmental event were correlated, even if the event did not reinforce the response. To assess the likelihood of obtaining spurious matching when relating attention and problem behavior, we evaluated the problem behavior of 3 participants for whom attention did not serve as a reinforcer for problem behavior in a functional analysis. Both the simple and generalized matching equations were used to examine matching relations extracted from descriptive observations that were conducted in the participants' classrooms. The results of aggregated matching analyses showed that the proportional rate of responding approximately matched the proportional rate of contiguous adult attention. Matching analyses conducted for all participants showed correlations between attention and problem behavior. These results demonstrate that spurious matching can be obtained, and they highlight the role of functional analyses in the analysis of naturally occurring matching relations.DESCRIPTORS: behavior disorders, descriptive observations, functional analysis, matching law _______________________________________________________________________________Descriptive analyses are often conducted to infer the operant function of problem behavior (e.g., Anderson & Long, 2002). If it is accepted that a functional analysis is most appropriate for identifying the operant function of behavior, then a different application of descriptive methodology becomes available. Once a reinforcer is identified via functional analysis, descriptive data can be used to learn more about how behavior and reinforcers interact in natural environments. That is, descriptive observations can be used as an assay instead of as an assessment tool. Borrero and Vollmer (2002) used this approach to investigate the phenomenon of matching. They showed that stimulus events that functioned as reinforcers in a functional analysis were related to aberrant behavior in ways predicted by the matching law.The matching law is a quantitative formulation stating that the relative rate of responding should approximately equal, or match, the relative rate of reinforcement provided for those responses (Herrnstein, 1961). The simple matching equation can be expressed as follows:In this equation, R 1 represents the rate of responding for Response 1, R 2 represents the rate of responding for Response 2, r 1 represents the rate of reinforcement obtained for Response
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