A Functional Behavioral Assessment (FBA)
is an attempt to look beyond the obvious interpretation of behavior as "bad" and determine what function it may be serving for a child. Truly understanding why a child behaves the way he or she does is the first, best step to developing strategies to stop the behavior. Schools are required by law to use FBA when dealing with challenging behavior in students with special needs, although you may need to specifically push for it. The process usually involves documenting the antecedent (what comes before the behavior), behavior, and consequence (what happens after the behavior) over a number of weeks; interviewing teachers, parents, and others who work with the child; evaluating how the child's disability may affect behavior; and manipulating the environment to see if a way can be found to avoid the behavior. This is usually done by a behavioral specialist, and then becomes the basis for a Behavior Intervention Plan.
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A student may act up frequently and be sent to stand in the hallway. However, a FBA may find that the student acts up only during times when a lot of writing is required in class, and that he has documented difficulty with fine motor skills. The misbehavior serves the function of getting him out of written work. Supports to reduce the amount of writing needed and tools to make writing easier may eliminate the behavior in a way that escalating punishments never will.