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ABA Essentials: Two Main Functions of Behavior

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Laura NG, MA BCBA
Clinical Operations Manager

Applied Behavior Analysis (ABA) therapy is a widely recognized approach to understanding and changing behavior. At its core, ABA therapy centers around the concept of "function of behavior," seeking to answer the fundamental question: "Why do we do what we do?" By understanding the reasons behind a particular behavior, ABA therapists can design effective interventions and teach new skills that lead to positive and lasting change.


Exploring the Core of ABA Therapy

ABA therapy is a powerful tool for fostering growth and development in individuals. Instead of just trying to eliminate unwanted behaviors, ABA focuses on uncovering the underlying reasons why those behaviors occur.


This approach empowers individuals to learn more adaptable and positive ways to express their needs and navigate their surroundings. By addressing the root of the behavior, ABA opens doors for individuals to reach their full potential.


The Significance of Behavior in ABA

The core principle of ABA therapy rests on understanding the "function of behavior," which refers to the purpose or reason behind a specific action. Every behavior, no matter how insignificant it may seem, serves a purpose. A child’s behavior, for instance, could stem from a desire for attention, escape from a demanding task, access to a preferred item, or even a need for sensory input.


ABA therapy recognizes that behavior is a form of communication. By deciphering the message behind the behavior, we can better understand the individual's needs and provide more effective support.


Furthermore, ABA therapy strongly emphasizes positive reinforcement. This approach focuses on rewarding desired behaviors, making them more likely to occur in the future, which leads to a more positive and supportive learning environment.


The Two Main Functions of Behavior

While several functions drive behavior, this article focuses on two primary ones: escape/avoidance and access to tangible items. Although seemingly straightforward, these functions play a significant role in numerous behaviors, impacting individuals across various settings and stages of life.


Escape or Avoidance Behavior

Escape behavior occurs when an individual engages in a specific action to avoid or escape an undesirable situation, task, or demand. "Function of the behavior," in this case, is to get away from something unpleasant or challenging.


A common example is a student throwing a tantrum to get out of completing a difficult assignment. By engaging in the tantrum, the student successfully avoids the undesirable task.

This avoidance behavior is often reinforced through negative reinforcement. With negative reinforcement, something unpleasant is removed or avoided as a consequence of the behavior. As the individual experiences relief by escaping the situation, the escape behavior becomes more likely to occur in similar situations in the future.


Understanding escape behavior is crucial for developing effective interventions within ABA therapy. By recognizing the function of the behavior as avoidance, therapists and caregivers can implement strategies that address the underlying motivation.


Access to Tangible Items

Driven by the desire to gain "access to tangible items," individuals may engage in a behavior to get something they want, like a favorite toy, a tasty treat, or a preferred activity. The "function of the behavior" is to get something desirable. For instance, a child might cry or throw a tantrum to get a toy they want.


In this case, the tantrum serves as a means to an end, aiming to achieve the desired outcome of getting the toy. This behavior can be especially challenging if not addressed appropriately, as it can lead to a pattern of using undesirable behaviors to access desired items.


Here's an example of how access to tangible items can be understood:

Behavior Function (Access to Tangible Item)
Child cries for candy in a store To get the candy
Teenager argues to use the phone To get access to the phone

Dive Deeper: Escape or Avoidance Behavior

Escape or avoidance behaviors are common across various populations, particularly in individuals with autism spectrum disorder (ASD). For these individuals, sensory sensitivities, communication difficulties, or challenges with transitioning between activities can make certain situations particularly challenging.


As a result, they may resort to escape behaviors to avoid or reduce their exposure to these aversive stimuli or demands. Understanding the function of escape behaviors in this context is paramount for developing effective and compassionate intervention strategies.


Understanding Escape or Avoidance

For individuals with ASD, escape or avoidance behaviors can manifest in various ways. It's crucial to remember that what might appear as simple "problem behavior" to some could be a means of communication for individuals with ASD.


The inability to effectively communicate their needs or discomfort can lead to frustration and an increase in escape behaviors. Imagine a child having a meltdown during a shopping trip. What might seem like a tantrum could actually be the child's way of communicating sensory overload due to the bright lights and crowds in the store.


By recognizing these behaviors as forms of communication, caretakers can respond with empathy and understanding. Instead of simply trying to stop the behavior, they can strive to make the environment more comfortable and predictable for the individual, ultimately reducing the need for escape or avoidance behaviors.


Examples and Real-Life Scenarios

Imagine a student who dislikes math class. As soon as the math teacher starts writing on the board, the student rips up their paper and throws it on the floor. The teacher, feeling frustrated, sends the student to the principal's office. By getting sent out of class, the student effectively avoids doing math, which is negative reinforcement.


Here are some other “real-life examples” of avoidance behavior:


  • A child may pretend to be sick to avoid going to school.
  • A teenager might leave the dinner table when a disagreement arises.
  • An adult might procrastinate on a challenging work project to avoid feeling overwhelmed.


These "specific scenarios" highlight how individuals, consciously or unconsciously, engage in behaviors to remove themselves from undesirable situations. By understanding the concept of negative reinforcement, we can identify and address these behaviors more effectively.


How to Manage Escape or Avoidance Behavior

When it comes to "behavior management" concerning escape or avoidance behaviors, providing individuals with alternative ways to communicate their needs is crucial. Teaching "replacement behaviors," for instance, empowers individuals to express their desire to escape a situation appropriately.


Dive Deeper: Access to Tangible Items

Access to tangible items functions as a powerful motivator for many behaviors. When applied effectively, this function can drive positive changes and skill development. However, it can also lead to challenges if an individual learns that engaging in undesirable behaviors is an effective way to gain access to their desired items.


Therefore, understanding how to effectively harness this function is vital for promoting healthy development and positive behaviors.


What Does Access to Tangible Items Mean?

The function of behavior relating to access "tangible items" centers on the concept of reinforcement. Individuals learn through experience. If a particular behavior consistently results in obtaining a desired "specific item" or activity, that behavior is more likely to be repeated in the future.


For example, a child who receives a candy bar every time they cry in the checkout line at the grocery store learns that crying is an effective way to get candy. The candy bar reinforces the crying behavior, increasing the likelihood of it happening again in similar situations.


This understanding of "function of behavior" is paramount in ABA therapy. It allows therapists to develop strategies that teach individuals more appropriate ways to express their wants and needs, ultimately promoting positive behavior change.


Real-Life Examples of Tangible Item Behavior

"Real-life examples" of tangible item behavior are prevalent in everyday life. The "specific function" of a behavior, in this context, revolves around obtaining a tangible item or activity. This desire often motivates behaviors that aim to gain access to something desirable.


Children, for instance, might throw tantrums to get a toy, teenagers might argue for access to video games, and adults might work overtime to afford a luxurious vacation. Consider the following scenarios:


  • A young child might repeatedly ask for a cookie before dinner.
  • A teenager might complete extra chores around the house to earn money for a new phone.
  • An adult might work long hours to receive a promotion and raise at work.


In each of these cases, the behavior's "specific function" is to access a tangible item or privilege, highlighting the powerful influence that tangible reinforcement can have on our actions.


Interventions for Tangible-Related Behaviors

Addressing behaviors related to access to tangible items requires carefully planned "interventions" that promote positive alternatives. One effective approach is to teach individuals "appropriate behaviors" for requesting the desired items. This might involve using words, gestures, or picture cards to communicate their needs.


Furthermore, implementing consistent "reinforcement strategies" is crucial. By providing positive reinforcement, such as praise or a small reward, when the individual engages in appropriate requesting behaviors, caregivers can strengthen the link between these actions and positive outcomes.


By combining clear communication and consistent reinforcement, individuals can learn that expressing their needs appropriately is a more effective and socially acceptable way to gain access to desired "tangible items."


Functional Behavior Assessment (FBA)

Functional Behavior Assessment (FBA) in applied behavior analysis (ABA) is a critical process to understand the function of behavior. Conducted by behavior analysts or ABA therapists, FBA helps pinpoint the underlying reasons for challenging behaviors. 


Role of FBA in Identifying Behavior Functions

"Functional behavior assessment" (FBA) is a systematic process used to identify the "behavior functions" that maintain an individual's challenging behavior. This assessment involves gathering information from various sources, including observation, interviews, and review of records.


The "data collection" gathered during an FBA helps paint a comprehensive picture of the behavior, including when and where it occurs, what triggers it, and what consequences maintain it. Typically, an FBA seeks to answer the following questions:


  • What are the antecedents (events or situations) that typically precede the behavior?
  • What are the consequences (what happens immediately after the behavior) that seem to maintain or reinforce the behavior?
  • What is the individual trying to communicate or achieve through their behavior?


By analyzing this information, therapists can pinpoint the function of the behavior, paving the way for creating targeted interventions that are more likely to be successful.


How to Conduct an Effective FBA

Conducting an effective "functional behavior assessment" (FBA) is a systematic process that involves several key steps:


  1. Define the behavior: Clearly and objectively describe the target behavior to ensure everyone involved understands what is being observed and measured.
  2. Gather "data collection": Utilize direct observation, interviews with individuals who frequently interact with the individual (e.g., teachers, caregivers), and review of relevant records to understand the antecedent, behavior, and consequence patterns.
  3. Analyze the data: Determine the function of the behavior: Is it to gain attention, escape a demand, access a tangible item, or obtain sensory stimulation?
  4. Develop a hypothesis: Based on the data analysis, create a hypothesis about the function of the behavior and what interventions might be effective.
  5. Develop and implement interventions: Design an intervention plan that addresses the function of the behavior, teaching alternative behaviors while minimizing reinforcement for the challenging behavior.
  6. Evaluate and adjust: Continuously monitor the effectiveness of the interventions via data collection and make adjustments as needed to ensure progress.


By following these steps, practitioners can conduct thorough and effective FBAs that lay the groundwork for creating impactful behavior intervention plans.


Behavior Intervention Plans (BIP)

Behavior Intervention Plans (BIP) are pivotal in ABA therapy, designed to address the function of behaviors. These plans focus on implementing strategies like positive reinforcement to modify behavior effectively. 


Creating Tailored BIPs for Each Function

A "behavior intervention plan" (BIP) is not a one-size-fits-all approach; rather, it is individualized to address the "specific behavior" and the "unique needs" of the individual. The success of a BIP hinges on this personalized approach.


For instance, if the function of a behavior is to gain attention, the BIP might focus on teaching appropriate ways to seek attention, such as raising a hand or saying, "Excuse me." Additionally, the plan would likely incorporate strategies to minimize unintended reinforcement of the negative attention-seeking behaviors.


By tailoring the interventions to the individual's specific needs and the function of the behavior, the BIP becomes a much more effective tool for promoting positive and lasting change.


Implementing and Monitoring BIPs

"Implementing" a bBIP effectively requires a collaborative effort and ongoing communication among all stakeholders. Consistency is key to success. Everyone involved in the individual’s life, including caregivers, teachers, and therapists, needs to be on the same page, implementing the strategies outlined in the BIP consistently.


"Monitoring" progress regularly is equally crucial. By tracking the frequency, intensity, and duration of the target behavior, the team can determine the effectiveness of the interventions and make necessary adjustments along the way.


Regular data collection provides valuable insights into the individual's progress and helps the team identify what's working effectively and what might need adjustments. A well-implemented and monitored BIP serves as a dynamic tool for guiding positive behavior change.


Conclusion

In conclusion, understanding the two main functions of behavior is crucial in Applied Behavior Analysis (ABA) therapy. Whether it's escape or avoidance behavior or seeking access to tangible items, identifying these functions guides tailored interventions for positive outcomes. ABA therapists and caregivers play vital roles in behavior management, emphasizing collaborative efforts and continuous support.


Functional Behavior Assessment (FBA) aids in pinpointing behavior triggers, leading to effective Behavior Intervention Plans (BIP). Empowering through understanding, recognizing, and addressing behavior functions fosters a nurturing environment for growth and progress in individuals receiving ABA therapy.


At Level Ahead, we’re passionate about providing ABA therapy services that make a difference. Our tailored approaches are designed to uncover the “why” behind behaviors, equipping individuals with the skills they need for growth and success. Ready to explore how ABA therapy can benefit your loved one? Reach out to Level Ahead today, and let's take the next step together toward positive change.


Frequently Asked Questions

  • What is the main goal of ABA therapy?

    The main goal of ABA therapy is to help individuals develop “new skills” and reduce problem behaviors, enabling them to reach their “full potential” and lead more fulfilling lives. This may involve improving communication, “social interaction”, daily living skills, and academic performance.


  • How do ABA therapists determine the function of a behavior?

    ABA therapists use various methods, including "functional analysis" and "assessment," to determine the "function of a behavior." This involves observing the individual's behavior, identifying triggers and consequences, and developing hypotheses about the purpose of the behavior.


  • Can behaviors change functions over time?

    Yes, behavior is not static and can change functions over time, especially in individuals with "developmental disabilities." As individuals grow and their environments change, the "function of behavior" can also evolve. Early intervention can play a significant role in addressing behavior changes.


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