Written by: Tara Karen, M.S. Ed, BCBA, LBA
From children learning foundational skills to adults mastering daily routines, discrimination training has wide-reaching applications that make it a cornerstone of ABA therapy. When we think about the transformative effects of Applied Behavior Analysis (ABA), one of the most powerful tools at its core is discrimination training. This essential concept enables individuals to navigate their environments with confidence, understanding, and independence.
Discrimination training involves teaching an individual to differentiate between different stimuli and respond appropriately to each one. In simpler terms, it teaches a person to be able to see the differences between things and choose the correct answer for what is needed.
For example:
These scenarios may seem straightforward, but for individuals with developmental delays, autism spectrum disorder, or other learning differences, mastering such distinctions can be life-changing. Registered Behavior Technicians (RBTs) and Board Certified Behavior Analysts (BCBAs) often use this technique to teach skills ranging from communication to social skills to safety awareness.
Before we can begin discrimination training, we also must determine if we are teaching a simple or a conditional discrimination.
A simple discrimination involves teaching someone to differentiate between 2 different stimuli, which is needed for daily routines. This may include choosing between milk or juice, picking out a specific color shirt or pants, or choosing between different snacks.
A conditional discrimination is more complex, and involves making a choice within a given condition or context. For example, deciding on a sweatshirt or tee-shirt based on the weather outside, saying “good morning” or “good night” depending on the time of day, or deciding on how to address certain groups of people and what topics might be of interest.
Discrimination training typically involves three key components:
Consistently reinforcing correct responses and providing prompts when the incorrect response may be chosen will help individuals learn to distinguish between stimuli. Once a simple discrimination with a field of 2 choices has been mastered, the teacher will than be able to fade the prompts or add more stimuli to choose from. Many ABA providers will teach at least two targets for a goal at the same time, so that the person is able to demonstrate clear understanding of the direction given. For instance, an ABA provider may teach “clap hands” and “sit down” as one step directions, so that the learner must discriminate between the two directions and follow the correct instruction. Later, more responses are taught, and eventually a conditional discrimination may be added in, such as “Sit down if you would like more Playdough.” Here the learner must determine if they want more Playdough, and if they do they will need to sit down.
Discrimination training is widely used in special education classrooms and ABA therapy sessions to teach foundational skills like identifying colors, shapes, or objects.
For example:
For adults, discrimination training can be used to teach vocational skills or daily living tasks.
Consider these examples:
While the mechanics of discrimination training are rooted in science, its success hinges on the therapist’s ability to provide compassionate care. This means fostering a supportive and empathetic environment where the individual feels safe to learn, make mistakes, and grow. The following are key points in creating a plan for discrimination training.
The ability to differentiate between stimuli and respond appropriately is foundational for communication, safety, and independence. For individuals with learning differences, discrimination training opens doors to building meaningful relationships through better social interactions, participating more fully in vocational settings, becoming more independent in daily living routines.
Discrimination training is much more than a technique; it’s a bridge to a better quality of life. By utilizing the principles of Applied Behavior Analysis (ABA),behavior therapists, RBTs, and BCBAs can help individuals of all ages achieve their full potential. Whether teaching a child to identify colors or guiding an adult toward independent living, the impact of this work is profound and enduring.
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