Exam 13: Single-Case Evaluation Designs

Suppose you wish to measure progress in increasing the amount of time a child in institutional care spends studying as an indicator of the effectiveness of your groupwork intervention.Which of the following approaches most likely would be least vulnerable to reactivity problems?

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Question 1

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Although AB designs offer the least control for history,they are often worth doing.

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Question 2

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A social work student seeks to reduce her own general level of anxiety through self-desensitization.She used the last five weeks of the fall semester for her baseline and the first five weeks of the spring semester for her intervention period.Why is this a problem? What alternative do you propose?

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Question 3

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The problem with using the last five weeks of the fall semester as a baseline and the first five weeks of the spring semester as the intervention period is that there may be confounding variables that could affect the student's anxiety levels. For example, the student may have different course loads, different stressors, or different social situations during the two time periods, which could impact her anxiety levels independent of any self-desensitization efforts.

An alternative approach would be to use a within-subject design, where the student tracks her anxiety levels over a longer period of time, such as the entire fall semester, and then implements her self-desensitization techniques for a similar length of time in the spring semester. This would allow for a more accurate comparison of her anxiety levels before and after the intervention, while controlling for potential confounding variables. Additionally, the student could also consider using a control group or seeking professional guidance to ensure the effectiveness of her self-desensitization efforts.

Discuss why it can be argued that a single-case AB design,if done appropriately,has greater internal validity than a simple pretest/posttest group design (with no control group).

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Suppose you instruct a couple to have a typical conversation while you observe them in your office.This would be an example of

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Question 5

Suppose our research methods cause the client to improve.This would be termed

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Question 6

What would you infer from the following graph of the number of temper tantrums in an AB design?

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Question 7

If the target problem improves at any point during the intervention phase,it is safe to infer that the intervention is effective.

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Question 8

Suppose you obtained the following results in a multiple baseline design assessing the impact of family therapy on tantrums,chores,and truancy in treating one child and his parents.Which interpretation(s)is(are)plausible?

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Question 9

Which of the following is an example of unobtrusive observation?

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Question 10

Explain why it is important to obtain a stable baseline,if possible.Explain your answer in connection to threats to internal validity.

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Question 11

Suppose an ABCD design obtains the following results regarding level of social adjustment with a chronically mentally ill client discharged to live with his family. What is the most appropriate inference for future interventions with similar clients?

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Question 12

Ideally,baselines should be extended until a stable trend in the data is evident.

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Question 13

Explain what is accomplished by replicating single-case designs.(One part of your answer should address internal validity; another part should address external validity.)

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Question 14

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Suppose you obtained the following results in an ABAB design assessing the effectiveness of family therapy in reducing a child's temper tantrums.Which interpretation(s)is(are)plausible? Number of tantrums per day:

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Question 15

In single-case experiments,maximizing the number of measurement points helps by

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Question 16

Which of the following procedures for dealing with an unstable baseline might be appropriate in some situations?

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Question 17

In single-case experiments,direct observation is always better than using self-report scales or available records.

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Question 18

If a self-report scale has high reliability and validity in group research,we can assume it will have equally high reliability and validity in single-case experiments.

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Question 19

Sometimes it is appropriate to conduct single-case experiments with unstable baselines.

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Question 20

Showing 1 - 20 of 32

Suppose you wish to measure progress in increasing the amount of time a child in institutional care spends studying as an indicator of the effectiveness of your groupwork intervention.Which of the following approaches most likely would be least vulnerable to reactivity problems?

Although AB designs offer the least control for history,they are often worth doing.

A social work student seeks to reduce her own general level of anxiety through self-desensitization.She used the last five weeks of the fall semester for her baseline and the first five weeks of the spring semester for her intervention period.Why is this a problem? What alternative do you propose?

Discuss why it can be argued that a single-case AB design,if done appropriately,has greater internal validity than a simple pretest/posttest group design (with no control group).

Suppose you instruct a couple to have a typical conversation while you observe them in your office.This would be an example of

Suppose our research methods cause the client to improve.This would be termed

What would you infer from the following graph of the number of temper tantrums in an AB design?

If the target problem improves at any point during the intervention phase,it is safe to infer that the intervention is effective.

Suppose you obtained the following results in a multiple baseline design assessing the impact of family therapy on tantrums,chores,and truancy in treating one child and his parents.Which interpretation(s)is(are)plausible?

Which of the following is an example of unobtrusive observation?

Explain why it is important to obtain a stable baseline,if possible.Explain your answer in connection to threats to internal validity.

Suppose an ABCD design obtains the following results regarding level of social adjustment with a chronically mentally ill client discharged to live with his family. What is the most appropriate inference for future interventions with similar clients?

Ideally,baselines should be extended until a stable trend in the data is evident.

Explain what is accomplished by replicating single-case designs.(One part of your answer should address internal validity; another part should address external validity.)

Suppose you obtained the following results in an ABAB design assessing the effectiveness of family therapy in reducing a child's temper tantrums.Which interpretation(s)is(are)plausible? Number of tantrums per day:

In single-case experiments,maximizing the number of measurement points helps by

Which of the following procedures for dealing with an unstable baseline might be appropriate in some situations?

In single-case experiments,direct observation is always better than using self-report scales or available records.

If a self-report scale has high reliability and validity in group research,we can assume it will have equally high reliability and validity in single-case experiments.

Sometimes it is appropriate to conduct single-case experiments with unstable baselines.

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