Behavior Analysis Lesson 18
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Behavior Analysis Lesson 18

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Questions and Answers

What is one of the first and most important steps in changing behavior?

Identifying an individual's preferences

What consequences are needed in order for a change in behavior to occur?

A reinforcing stimulus and/or aversive stimulus

What are preference assessments?

Validated tools developed to identify a person's preferences

Which method for identifying preferences involves interviewing caregivers or other people who spend time with the person of interest?

<p>Indirect approach</p> Signup and view all the answers

Which of the following is NOT an approach we use for identifying preferences?

<p>A-B-C approach</p> Signup and view all the answers

What is the most significant difference between a preference assessment and a reinforcer assessment?

<p>In a reinforcer assessment, the presumed preferred stimulus is given contingent on a target behavior.</p> Signup and view all the answers

In which of these scenarios would a free operant preference assessment be most beneficial?

<p>When problem behavior is maintained by access to tangibles.</p> Signup and view all the answers

Which of these describes a free operant assessment format?

<p>The learner is given the opportunity to engage in any or all of the presented stimuli.</p> Signup and view all the answers

What is a disadvantage of using a free operant preference assessment?

<p>All of the above</p> Signup and view all the answers

How is a paired-stimulus preference assessment conducted?

<p>The learner is simultaneously shown two stimuli and asked to pick one.</p> Signup and view all the answers

What is one advantage of using a paired-stimulus preference assessment?

<p>It generates a rank order of preference stimuli</p> Signup and view all the answers

Which of the following is a major drawback of using a forced-choice preference assessment?

<p>All of the above</p> Signup and view all the answers

While conducting a preference assessment, the instructor presents an array of stimuli to the learner and instructs him to pick one. Which preference assessment is being conducted in this example?

<p>Multiple stimuli without replacement</p> Signup and view all the answers

Which multiple stimuli preference assessment does not provide a rank order of preferred stimuli?

<p>Multiple stimuli with replacement</p> Signup and view all the answers

While conducting a preference assessment, the instructor presents an array of stimuli to the learner and instructs him to pick one. The chosen item is put back into the array for subsequent trials. Which preference assessment is being conducted in this example?

<p>Multiple stimuli with replacement</p> Signup and view all the answers

Preferences are said to be ____ that someone really enjoys.

<p>All of the above</p> Signup and view all the answers

Which of the following is a reason why preferences may change within a person?

<p>All of the above</p> Signup and view all the answers

Preference assessments are conducted for individuals ____.

<p>All of the above</p> Signup and view all the answers

Dawn is a behavior analyst who sits down with Mike, the primary caregiver of one of Dawn's new clients. She begins asking him to identify items, activities, food, and people he believes to be stimuli that his son prefers. This is an example of which approach?

<p>Indirect approach</p> Signup and view all the answers

Julie, a behavior therapist, decides to conduct a(n) ____________ to determine what stimuli her client prefers.

<p>Naturalistic observation</p> Signup and view all the answers

In the ____ approach, stimuli are presented to the learner systematically in a series of trials and responses are measured.

<p>Trial-based methods</p> Signup and view all the answers

Highly preferred stimuli ___ function(s) as reinforcers.

<p>May not always</p> Signup and view all the answers

Which of the following assessments provides only a prediction of stimuli that could serve as reinforcers?

<p>Preference assessment</p> Signup and view all the answers

In which of the following assessments is the presumed preferred stimulus given contingently upon a response?

<p>Reinforcement assessment</p> Signup and view all the answers

Which of the following is NOT considered a disadvantage of a free-operant preference assessment?

<p>Data can be collected easily</p> Signup and view all the answers

Scott gives his client the opportunity to engage in puzzle play, lego building, and/or tablet time. He observes his client playing with the items and records the duration of time spent engaged with each item. His client spent 2 minutes with the puzzle, 0 minutes with the legos, and 5 minutes with the tablet. Scott has concluded that the tablet is the most preferred item and may function as a reinforcer. This is an example of which preference assessment?

<p>Free operant</p> Signup and view all the answers

Nicole has assigned a number to each stimulus; book, iPad, truck, and puzzle, and documented it on a corresponding data sheet. She presents two of the stimuli, book and puzzle, to her client and asks him to pick one. Once her client has chosen book, she gives it to him for a brief moment and then takes it away. She then presents two more stimuli, truck and iPad. Her client didn't choose either. She removes both items and represents them with different items in the following trial. Nicole is using which of the following preference assessments to determine possible reinforcers?

<p>Forced choice</p> Signup and view all the answers

Which of the following is considered an advantage of a forced choice preference assessment?

<p>All of the above</p> Signup and view all the answers

Which of the following is NOT considered a disadvantage of a forced choice preference assessment?

<p>It is based on direct observation of target behavior</p> Signup and view all the answers

When using a _____, a variety of stimuli are displayed in an array and the learner has many choices to pick from.

<p>Multiple stimulus method</p> Signup and view all the answers

In a(n) ____, the instructor retrieves the item the learner is engaging in and places the item back in the array. In a(n) ____, the instructor removes the stimulus and does not place it back in the array.

<p>MSW; MSWO</p> Signup and view all the answers

The main purpose of conducting preference assessment is to:

<p>Identify individual's preferred items or activities to give us a prediction about stimuli that may function as reinforcers.</p> Signup and view all the answers

When conducting a preference assessment, we must remember that preferences are:

<p>Transitory and specific to each learner</p> Signup and view all the answers

Why are preference assessments significant when working with individuals that have developmental disabilities?

<p>All of the above</p> Signup and view all the answers

The best method of identifying preferences is through:

<p>Direct observation</p> Signup and view all the answers

This method helps to answer the question: If an individual had the opportunity to do whatever they wanted within available items or activities, what would they choose to do, and for how long?

<p>Free operant observation</p> Signup and view all the answers

Which of the statements below are false?

<p>There are no significant differences between stimulus preference assessment and a reinforcer assessment</p> Signup and view all the answers

Which preferences assessment is recommended for learners whose problem behavior is maintained by access to tangibles?

<p>Free operant</p> Signup and view all the answers

Which preference assessment takes the longest to administer?

<p>Forced choice</p> Signup and view all the answers

To conduct this assessment, the instructor assigns a number to each item, documenting it on a corresponding data sheet. Next, the instructor presents two of the stimuli and asks the learner to pick one of the items. Once the learner has made their selection, he or she is given access to it for a brief period. What time of assessment is this?

<p>Paired choice</p> Signup and view all the answers

Forced choice provides a rank order of preferred stimuli.

<p>True</p> Signup and view all the answers

In this method, a variety of stimuli are displayed in an array. In other words, instead of only two items to select from within a given opportunity, the learner has many choices to pick from. This assessment can be conducted in two forms; replacing stimuli in the array after it has been chosen on the subsequent trial, or removing the stimuli from the array once selected. Which preference assessment is this?

<p>MSWO and MSW</p> Signup and view all the answers

What are some limitations of both multiple-stimuli preference assessments?

<p>The learner must be able to scan a large array of items and make a selection of one item from concurrently available stimuli</p> Signup and view all the answers

Which assessment is the fastest to conduct?

<p>MSWO</p> Signup and view all the answers

Study Notes

Preference Assessments Overview

  • Essential for behavior modification by identifying individual preferences.
  • Outcomes depend on reinforcing or aversive stimuli.

Types of Preference Assessments

  • Preference Assessments: Validated tools for identifying preferences.
  • Indirect Approach: Involves interviews with caregivers to gather preferences.
  • Free Operant Preference Assessment: Observes unstructured interaction with multiple stimuli, ideal for maintaining behavior through access to tangibles.
  • Paired-Stimulus Preference Assessment: Learner chooses between two stimuli, leading to a ranked preference hierarchy.
  • Multiple Stimuli Without Replacement (MSWO): Learner picks an item which is then removed; used to deduce preferences.
  • Multiple Stimuli With Replacement (MSW): Chosen stimuli remain available for future trials.

Methodological Differences

  • Reinforcer Assessment: Tests presumed preferred stimuli contingent on target behavior; contrasts with preference assessment where participation isn't required.
  • Trial-Based Methods: Systematic presentation of stimuli across various trials, measuring response.
  • Naturalistic Observation: Recording preferences based on unstructured interactions with selected activities.

Advantages and Disadvantages

  • Free Operant Assessment: Allows free choice; observed durations inform preference without interference.
  • Paired-Stimulus Advantage: Generates a clear rank order of preferences; however, may require more time and forced choices limit options.
  • Careful Management: Forced choice assessments can result in data collection challenges but effectively rank preferences.

Key Findings and Conclusions

  • Preferences should be considered transitory and specific to each individual.
  • Direct observation is the most reliable method for identifying preferences.
  • Assessments must be chosen based on individual needs, particularly for those with developmental disabilities.
  • Ensuring understanding of limitations within multiple-stimuli assessments is essential for effective application.

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Description

Explore the key concepts in behavior change from Lesson 18, focusing on conducting preference assessments. This quiz covers the importance of identifying preferences and the role of reinforcing or aversive stimuli in behavior modification. Test your knowledge on validated tools used to assess preferences.

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