Capella University Motivating Operations and Discriminative Stimulus Worksheet

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Capella University


Antecedents are stimuli that occur before a behavior and can influence behaviors. MOs and Sds are types of antecedents that play an important role in the occurrence of behaviors. Understanding the impact of these antecedents allows behavior analysts to manipulate these variables and influence client behavior in a meaningful way.

For this assignment, use the template Motivating Operations and Discriminative Stimuli given in the resources. This template has a column for similarities and one for differences. In a bulleted format, fill in your analysis of the two concepts, placing similarities in the left column and differences in the right column.

Below the table:

  • Identify and describe three real situations from your environment or experience (please identify MOs and Sds in each of your examples).
  • Identify the relevant antecedent variables and explain how they operate as either an MO or a Sd.

Assignment Requirements

Your assignment should meet the following requirements:

  • Analyze the similarities and differences between motivating operations and discriminative stimuli.
  • Identify relevant antecedent variables from real-life situations.
  • Explain how the identified antecedent variables operate as either a motivating operation or a discriminative stimulus.
  • Written communication: Should be free of errors that detract from the overall message.
  • APA formatting: References and citations are formatted according to current APA style guidelines.
  • Resources: 1–2 scholarly or professional resources. Resources should include the course text and a combination of seminal works.
  • Length: 3–4 double-spaced pages of content, in addition to the title page and references page.
  • Font and font size: Times New Roman, 12-point.

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Explanation & Answer

Attached. Please let me know if you have any questions or need revisions.

Motivating Operation and Discriminative Stimulus



Motivating Operations and Discriminative Stimulus
Motivating Operations and Discriminative Stimuli

Both MOs and Sds interact and


influence behavior change (Edwards et

response has been punished or

al., 2019.

reinforced while MOs entails a change
in a specific reinforcer or a change in

They are present before the occurrence

behaviors related to the stimuli (Nosik

or exhibition of the behavior.

& Carr, 2015; Edwards et al., 2019).
Both MOs and Sds must be looked
together in a mand effect.

Sd entails a stimulus by which a

Sds trigger a certain behavior because
they signal the availability of a

They both influence behavior although
reinforcer, while MOs determine the
for different reasons (Nosik & Carr,
response to Sd by determining the lee of
2015; Edwards et al., 2019).
motivation to get the reinforcer
(Edwards et al., 2019).

Sds trigger a certain behavior while
MOs trigger how one is likely to

Really useful study material!


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