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Statistical Analysis in Single-Subject Research
While visual inspection remains the primary data analysis method, statistical analysis is becoming increasingly common in single-subject research. Rather than replacing visual inspection, statistical methods are typically used as a supplementary tool, specifically to help summarize findings efficiently and to facilitate systematic comparisons of results across different studies.
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Research Methods in Psychology - 4th American Edition @ KPU
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Statistical Analysis in Single-Subject Research
What is the primary method of data analysis used in single-subject research to determine the effect of the independent variable?
In single-subject research, visual inspection is used to calculate the statistical significance (p-value) of an independent variable's effect.
A researcher is conducting a visual inspection of a graph from a single-subject study to determine the effect of an intervention. Match each observation of the data with the corresponding component of visual inspection being applied.
Arrange the following hypothetical outcomes of a visual inspection in order from the pattern that provides the weakest evidence of a treatment effect to the pattern that provides the strongest evidence of a treatment effect.
You are tasked with designing the data analysis protocol for a new single-subject research study. To correctly establish a visual inspection methodology, which of the following procedures should you construct?
Arrange the steps of visual inspection in single-subject research in the correct chronological order, as they are typically performed during data analysis.
A researcher studying a participant's social anxiety observes that the participant initiated 10 conversations per day during the baseline phase and 11 per day during the treatment phase. If the researcher concludes the therapy was ineffective because this slight change was not large enough to be clearly seen on the graph, they are evaluating that the therapy did not have a(n) _____ effect.
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What is the typical role of statistical analysis in single-subject research?
A researcher is finalizing the data analysis for a single-subject study on a new therapy. Arrange the steps of the analysis process in the correct order according to the standard practice in which statistical analysis is used as a supplement.
A researcher decides to use statistical analysis as the primary method for identifying a treatment effect in a single-subject study, arguing that it is more objective than visual inspection. This researcher’s approach correctly reflects the role of statistical analysis in single-subject research.
A researcher proposes that statistical analysis should replace visual inspection as the primary method of data analysis in single-subject research because it allows for more efficient comparisons across studies. According to standard methodology, this proposal is flawed because statistical methods are intended to serve as a(n) _____ tool that supports rather than replaces visual inspection.
In single-subject research, both visual and statistical approaches are used to analyze data, but each serves a distinct role. Match each analytical method or function with the role it typically plays in the research process.