Some classrooms follow a fairly strict applied behavioral analysis methodology, which tends to put a strong emphasis on one-on-one instruction, using rewards and punishments to spur learning and measuring incremental progress.

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The best-established treatments for children with autism spectrum disorders fall under the broad heading of Applied Behavior Analysis -- often referred to as a "behavioral" approach.

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The intensive, one-on-one, in-home therapy was meted out by behavioral therapist Rick Schroeder, who used a technique of behavior modification known as "applied behavior analysis" or ABA. ABA essentially breaks down behavior patterns in order to reward good behavior and not reward bad behavior.

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