Abative effect
A type of behavior-altering effect that causes an in-the-moment decrease in the current frequency of behavior that’s been reinforced by a specific stimulus.
B.16 Identify examples of motivating operations.
Abolishing operation
A type of motivating operation that is the product of satiation that, at that moment, decreases the effectiveness of the stimulus as a reinforcer as well as the current frequency
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6th Edition TCO
Behavior-altering effect
An effect of motivating operations that causes an in-the-moment increase or decrease in the current frequency of behavior that’s been reinforced by a specific stimulus.
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6th Edition TCO
Conditioned motivating operation (CMO)
An MO that, due to learning history, changes the value of other stimuli, objects, or events, and creates an in-the-moment change in the frequency of any behavior associated with those
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6th Edition TCO
Dana Do’s: Breaking Down Behavior-Altering Versus Value-Altering Effects
Learn the key distinctions between value-altering effects and behavior-altering effects with this quick lesson from PTB founder Dana Meller.
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Dana Do’s: Do MOs Only Affect Behavior in the Moment?
Do motivating operations (MOs) only influence behavior in the moment? Not quite. Learn more about behavior-altering effects and functional-altering effects that shape future behavior. Using relatable examples, PTB founder Dana Meller breaks down how MOs impact reinforcement value now—and in the long run.
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Dana Do’s: How to Determine Value vs. Behavior Altering Effect
A motivating operation is not a thing that you hold in your hand. It is the state or condition of being deprived of something or satiated with something. PTB co-founder Dana Meller dives into the in-the-moment effects to help explain the difference.
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Dana Do’s: How to Discriminate Between SDs & MOs
PTB co-founder Dana Meller breaks down the distinction between motivating operations (MOs) and discriminative stimulus (SDs).
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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Dana Do’s: What to Know about Behavior- and Value-Altering Effects for the BCBA®/BCaBA® Exam
PTB founder Dana Meller clarifies a common point of confusion by unpacking the differences between behavior- and value-altering effects, and why understanding that distinction matters on exam day.
Establishing operation
A type of motivating operation that is the product of deprivation that, at that moment, increases the effectiveness of the deprived stimulus as a reinforcer and increases the frequency of
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6th Edition TCO
Evocative effect
A type of behavior-altering effect that causes an in-the-moment increase in the current frequency of behavior that’s been reinforced by a specific stimulus.
6th Edition TCO
Four-term contingency
A motivating operation is added to a three-term contingency and the added component of motivation has an abative or evocative effect on the behavior (e.g., MO-SD-Bx-C).
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