What is Applied Behavior Analysis?

Applied Behavior Analysis (ABA) is a therapy based on the science of learning and behavior.

(From AutismSpeaks.org) 

Behavior analysis helps us to understand:

  • How behavior works

  • How behavior is affected by the environment

  • How learning takes place

ABA therapy applies our understanding of how behavior works to real situations. The goal is to increase behaviors that are helpful and decrease behaviors that are harmful or affect learning.

ABA therapy programs can help:

  • Increase language and communication skills

  • Improve attention, focus, social skills, memory, and academics

  • Decrease problem behaviors

The methods of behavior analysis have been used and studied for decades. They have helped many kinds of learners gain different skills – from healthier lifestyles to learning a new language. Therapists have used ABA to help children with autism and related developmental disorders since the 1960s.

How does ABA therapy work?

Applied Behavior Analysis involves many techniques for understanding and changing behavior. ABA is a flexible treatment:  

  • Can be adapted to meet the needs of each unique person

  • Provided in many different locations – at home, at school, and in the community

  • Teaches skills that are useful in everyday life

  • Can involve one-to-one teaching or group instruction

Positive Reinforcement

Positive reinforcement is one of the main strategies used in ABA.

When a behavior is followed by something that is valued (a reward), a person is more likely to repeat that behavior. Over time, this encourages positive behavior change.

First, the therapist identifies a goal behavior. Each time the person uses the behavior or skill successfully, they get a reward. The reward is meaningful to the individual – examples include praise, a toy or book, watching a video, access to playground or other location, and more.

Positive rewards encourage the person to continue using the skill. Over time this leads to meaningful behavior change. 

Antecedent, Behavior, Consequence

Understanding antecedents (what happens before a behavior occurs) and consequences (what happens after the behavior) is another important part of any ABA program.

The following three steps – the “A-B-Cs” – help us teach and understand behavior:

  1. An antecedent: this is what occurs right before the target behavior. It can be verbal, such as a command or request. It can also be physical, such a toy or object, or a light, sound, or something else in the environment. An antecedent may come from the environment, from another person, or be internal (such as a thought or feeling).

  2. A resulting behavior: this is the person’s response or lack of response to the antecedent. It can be an action, a verbal response, or something else.

  3. A consequence: this is what comes directly after the behavior. It can include positive reinforcement of the desired behavior, or no reaction for incorrect/inappropriate responses.

Looking at A-B-Cs helps us understand:

  1. Why a behavior may be happening

  2. How different consequences could affect whether the behavior is likely to happen again

EXAMPLE:

  • Antecedent: The teacher says “It’s time to clean up your toys” at the end of the day.

  • Behavior: The student yells “no!”

  • Consequence: The teacher removes the toys and says “Okay, toys are all done.”

How could ABA help the student learn a more appropriate behavior in this situation?

  • Antecedent: The teacher says “time to clean up” at the end of the day.

  • Behavior: The student is reminded to ask, “Can I have 5 more minutes?”

  • Consequence: The teacher says, “Of course you can have 5 more minutes!”

With continued practice, the student will be able to replace the inappropriate behavior with one that is more helpful. This is an easier way for the student to satisfy the child’s needs!

What Does an ABA Program Involve?

Good ABA programs for autism are not "one size fits all." ABA should not be viewed as a canned set of drills. Rather, each program is written to meet the needs of the individual learner.

The goal of any ABA program is to help each person work on skills that will help them become more independent and successful in the short term as well as in the future.

Planning and Ongoing Assessment

A qualified and trained behavior analyst (BCBA) designs and directly oversees the program. They customize the ABA program to each learner's skills, needs, interests, preferences and family situation. 

The BCBA will start by doing a detailed assessment of each person’s skills and preferences. They will use this to write specific treatment goals. Family goals and preferences may be included, too.

Treatment goals are written based on the age and ability level of the person with ASD. Goals can include many different skill areas, such as:

  • Communication and language

  • Social skills

  • Self-care (such as showering and toileting)

  • Play and leisure

  • Motor skills

  • Learning and academic skills

The instruction plan breaks down each of these skills into small, concrete steps. The therapist teaches each step one by one, from simple (e.g. imitating single sounds) to more complex (e.g. carrying on a conversation).

The BCBA and therapists measure progress by collecting data in each therapy session. Data helps them to monitor the person’s progress toward goals on an ongoing basis.

The behavior analyst regularly meets with family members and program staff to review information about progress. They can then plan ahead and adjust teaching plans and goals as needed.

ABA Techniques and Philosophy

The instructor uses a variety of ABA procedures. Some are directed by the instructor and others are directed by the person with autism.

Parents, family members and caregivers receive training so they can support learning and skill practice throughout the day.

The person with autism will have many opportunities to learn and practice skills each day. This can happen in both planned and naturally occurring situations. For instance, someone learning to greet others by saying "hello" may get the chance to practice this skill in the classroom with their teacher (planned) and on the playground at recess (naturally occurring).

The learner receives an abundance of positive reinforcement for demonstrating useful skills and socially appropriate behaviors. The emphasis is on positive social interactions and enjoyable learning.

The learner receives no reinforcement for behaviors that pose harm or prevent learning.

ABA is effective for people of all ages. It can be used from early childhood through adulthood!

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