ABA Glossary: Task List Reference Task List Reference: B-10

Test your ABA Terminology ➠ MO vs Sᵈ

Test your understanding of antecedents and behavior change with PTB co-founder Dana Meller. Here she explains the distinction between Sᵈs and MOs, explores their evocative function, and discusses how they can alter our behavioral repertoire when combined. Through relatable examples, Dana illustrates the importance of understanding the interplay between Sᵈs and MOs in behavior change.

Refer to BCBA® Task List (5th ed.) Sections B-10: Define and provide examples of stimulus control and B-12: Define and provide examples of motivating operations.

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Stimulus salience

The process of making learning stimuli more prominent to establish stimulus control and skill acquisition.

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ABA terms you need to know: stimulus delta

Stimulus delta (SΔ)

A stimulus in the presence of which a given behavior has not produced reinforcement in the past or produces less reinforcement or lesser value reinforcement than when it occurs in

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Stimulus control

When a learned behavior occurs in the presence of the SD and doesn’t occur in the absence of the SD or in the presence of other stimuli (SΔ).

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PTB’s Special ABA Sauce: Mastering the ABCs of Behavior

Test your understanding of the ABCs of Behavior with PTB co-founder Dana Meller as she analyzes a tasty scenario to identify the MO, SD, prompt, behavior, and consequence using PTB’s special ABC breakdown method. Discover how ordering extra sauce serves as a perfect example to unravel the intricate relationship between MOs, deprivation, SDs, and reinforcement.

Refer to BCBA® Task List (5th ed.) Sections B-1: Define and provide examples of behavior, response, and response class, B-10: Define and provide examples of stimulus control, B-12: Define and provide examples of motivating operations and G-4: Use stimulus and response prompts and fading (e.g., errorless, most-to-least, least-to-most, prompt delay, stimulus fading).

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Overshadowing

When the presence of a competing or distracting stimulus interferes with the acquisition of a skill/stimulus control of another stimulus.

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Motivating operation (MO)

An environmental variable that alters the reinforcing or punishing effectiveness of a stimulus and alters the current frequency of all behavior that has been reinforced or punished by that stimulus.

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Masking

When a stimulus has acquired stimulus control over a specific response, but a competing stimulus is present, blocking stimulus salience, and causing a decrease in the occurrence of the learned

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