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Treatments & Therapies >> Applied Behavior Analysis (ABA) Therapy

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DrLee
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Reged: 05/21/11
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Loc: South Florida
Behavioral Challenges in ASD
      #9741 - 08/05/12 07:54 PM


Students with autism spectrum disorders (ASD) who demonstrate serious and persistent behavioral challenges should be provided with an individual behavior intervention plan. The Individuals with Disabilities Education Act (IDEA) stipulates that a functional behavior assessment (FBA) be completed and a behavior intervention (or support) plan (BIP) implemented for students with disabilities when they are the subject of school discipline proceedings or being considered for an alternative placement. IDEA also requires that positive behavioral support programming be provided to eligible students who are in need; particularly when the behavior impedes learning or the learning of others.

Functional behavior assessment (FBA) is an important component of providing positive behavioral support to students with ASD. FBA methods are considered best practice in identifying and designing behavioral interventions. A consistent finding has been that intervention plans developed from functional assessment information are more likely to result in a significant reduction of challenging behavior. An important goal of a functional assessment is to identify antecedents or environmental situations that will predict the occurrence and nonoccurrence of the studentís challenging behavior. Another goal is to obtain and expand information that will improve the effectiveness and efficiency of intervention strategies. FBA identifies the function(s) that the behavior appears to serve for the student. For example, students might exhibit challenging behaviors with the goal of escape or the goal of seeking attention. When the curriculum is difficult or demanding, students may attempt to avoid or escape work through their behavior (e.g., refusal, passive aggression, disruption, etc.). They may also use challenging behavior to get attention from adults and peers. Because students with ASD also have significant social and pragmatic skills deficits, they may experience difficulty effectively communicating their needs or influencing the environment. Thus, challenging classroom behavior may serve a purpose for communicating or a communicative function. When we understand the goal of student behavior then we can begin to teach alternative replacement behavior and new interactional skills.

The process of conducting an FBA is best described as (a) an strategy to discover the purposes, goals, or functions of a studentís behavior; (b) an attempt to identify the conditions under which the behavior is most likely and least likely to occur; (c) a process for developing a useful understanding of how a studentís behavior is influenced by or relates to the environment; and (d) an attempt to identify clear, predictive relationships between events in the studentís environments and occurrences of challenging behavior and the contingent events that maintain the problem behavior.

An FBA can be conducted in a variety of ways. There are two general assessment tools to assist in the collection of information about the variables and events that surround the occurrence (or nonoccurrence) of the studentís challenging behavior. The first are interviews and rating scales that provide information from the individuals (parents, teachers) who know the student best, along with the student themselves. The second method is direct observation of the student in his or her natural daily environments. One observation strategy for collecting observational information is the A-B-C format. The observer records the Antecedent to the behavior (what happened immediately before the behavior), describes the Behavior, and the Consequence of the behavior (what happened immediately after). The following steps are a general guide to developing a comprehensive student behavior intervention or support plan.

Development of the plan should begin with a functional assessment (FBA) of the problem behavior to understand the student and the nature of the challenging behavior in the context of the environment.

Next, the professional team examines the results of the functional assessment and develops hypothesis statements as to why the student engages in the challenging behavior. The hypothesis statement is an informed, assessment-based explanation of the challenging behavior that indicates the possible function or functions served for the student.

Once developed, the hypothesis provides the foundation for the development of intervention strategies. The focus of intervention plan is not only on behavior reduction, but for also teaching appropriate, functional (generally communicative) skills that serve as alternative/replacement behaviors for the undesirable behavior.

Following implementation of the BIP, the team regularly reviews and evaluates its effectiveness and makes modifications as needed.

Lee A. Wilkinson, PhD, CCBT, NCSP is author of the award-winning book, A Best Practice Guide to Assessment and Intervention for Autism and Asperger Syndrome in Schools, published by Jessica Kingsley Publishers.


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