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Percentage of Non-Overlapping Data
The percentage of non-overlapping data (PND) is a statistical metric used to summarize data in single-subject research. It is defined as the percentage of responses in the treatment condition that are more extreme than the most extreme response in a relevant control condition. A greater percentage of non-overlapping data indicates a stronger treatment effect.
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Research Methods in Psychology - 4th American Edition @ KPU
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Percentage of Non-Overlapping Data
Percentage of Non-Overlapping Data
In single-subject research, how are formal statistical procedures, such as the t test or analysis of variance, typically utilized?
To apply formal statistical procedures in single-subject research, a researcher might calculate the mean and standard deviation of a single participant's responses under different conditions and then use an inferential test to formally compare those conditions.