Exam 9: Alternating Treatments Designs
Multiple treatment interference is a major concern in establishing a functional relationship in an alternating treatments design. Cite two strategies (other than counterbalancing)a researcher may use to reduce the likelihood of multiple treatment interference.
Suggested answer points:First, the researcher could select interventions that are noticeably and substantially different from one another.Second, the researcher could include both preintervention and withdrawal of treatments baseline data to demonstrate the functional relationship.Third, the researcher could end the study with a final (best)treatment phase, particularly if preceded by a withdrawal phase to further demonstrate the functional relationship.
Explain the concept of counterbalancing variables and interventions in an alternating treatments design.
Suggested answer points:Because the purpose of the design is to evaluate the more effective independent variable among one or more interventions, the researcher should ensure that each intervention is fully implemented and counterbalanced in several dimensions. Counterbalancing involves making sure that who is implementing the interventions, the time of day, day of the week, setting, and other possible confounding variables are counterbalanced so that no unintended "advantage" is provided for an intervention.
An alternating treatment design should be used in all of the following situations EXCEPT when:
C
What are some disadvantages of the alternating treatments design?
Methodologically speaking, the main reason to continue implementing the most effective treatment as a final phase is:
A high percentage of non-overlapping data (PND), such as 100, would show:
Each of the following is an example of a situation when a stable rate of responding might not be possible EXCEPT:
What is a reason that alternating treatments designs may have good internal validity?
If the differential effects of the treatment in an alternating treatment design are demonstrated if the trend continues, then it can be said that which of these criteria is achieved?
In Application Practice: Latisha, what research method was used?
Explain how a simultaneous treatments design is different from an alternating treatments design.
What type of treatment design includes the intervention being applied to multiple behaviors that are similar in nature but functionally independent?
In order to assume that one treatment is more effective than the other in an alternating treatments design, a(n)____________ is calculated.
What type of treatment design is also called the concurrent schedules design?
Which of the following is true about alternating treatments designs?
In Application Practice: Latisha, two interventions to improve _________ are provided to the subject.
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