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Baseline Phase
In a single-subject reversal design, the initial step is establishing a baseline for the dependent variable during Phase A. This phase acts as a control condition, representing the natural level of responding before any intervention is applied, and continues until a steady state of behavior is achieved.
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Research Methods in Psychology - 4th American Edition @ KPU
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Baseline Phase
Treatment Phase
Internal Validity of Reversal Designs
Multiple-Treatment Reversal Design
Alternating Treatments Design
ABAB Design
Internal Validity in Reversal Designs
ABAB Reversal Design Example
Limitations of Reversal Design
Arrange the phases of a fundamental reversal design (ABA design) in the correct chronological order.
Learn After
In a single-subject research study, what is the primary purpose of the initial baseline phase?
During the initial baseline phase of a single-subject study, the researcher actively manipulates the participant's environment to force their target behavior into a steady state before the formal treatment begins.