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Statistical Analysis in Single-Subject Research
Although visual inspection remains the primary analytic tool, formal statistical procedures are increasingly utilized as supplementary methods in single-subject research. One statistical approach mirrors group research by calculating the mean and standard deviation for each participant's responses under different conditions, followed by the application of inferential tests like the test or analysis of variance to formally compare these conditions.
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Research Methods in Psychology - 4th American Edition @ KPU
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Experimental Analysis of Behavior
Theoretical Perspectives in Single-Subject Research
Reversal Design
AB Design
Visual Inspection in Single-Subject Research
Statistical Analysis in Single-Subject Research
Assumptions of Single-Subject Research
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Single-Subject Research Designs
Which of the following best characterizes the methodology of single-subject research?
True or False: In single-subject research, the investigator focuses on the behavior of each individual participant as a separate unit of analysis, typically involving between two and ten people in a study.
A psychology researcher is designing a study using a single-subject methodology. Match each specific scenario description below with the core principle of single-subject research it demonstrates.
A researcher is utilizing a single-subject design to analyze whether a specific behavioral intervention causes a reduction in a participant's off-task behavior. To establish experimental control and identify a functional relationship between the intervention and the behavior, arrange the following steps in the correct logical sequence.
A researcher wants to design a quantitative study to test whether a new behavioral intervention reduces the frequency of 'vocal tics' in 3 specific participants. To create a rigorous experiment following the principles of small- design, which of the following protocols should the researcher construct to establish experimental control and demonstrate the intervention's effect on each individual?
True or False: Single-subject research is a qualitative methodology that focuses on subjective experiences rather than utilizing quantitative techniques to analyze objective behavior.
A psychologist reviewing a single-subject (small-) study with only four participants must judge whether the researcher compensated for the absence of a large sample size by applying strict _____ and control over each individual's behavior to ensure scientific rigor.
Match each researcher's study scenario with the corresponding core feature of single-subject research it demonstrates.
A psychologist is analyzing a study that focuses closely on the behavior of four participants. To categorize this methodology, the psychologist notes that since the statistical symbol for sample size is represented by , this type of study is referred to as a small-_____ design.
An editor must evaluate whether a newly submitted manuscript qualifies as a single-subject research design based on its methodological characteristics. Arrange the evaluation steps in the logical order the editor should perform them, from identifying the broad research paradigm to verifying specific design controls.
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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.
A researcher is conducting a study with a single participant to evaluate the impact of a white-noise machine on sleep quality scores. To provide a rigorous supplement to the visual inspection of the data, the researcher decides to use formal statistical procedures. Arrange the steps the researcher should take to apply this analysis in the correct order.
In single-subject research, visual inspection is the primary method of analysis, but researchers often supplement this with statistical techniques. Match the following components of a single-subject study to the specific analytical role they fulfill.
A clinical psychologist is developing a new evaluation framework to help practitioners supplement visual inspection with formal statistical procedures in single-subject designs. Which of the following proposed protocols correctly synthesizes the necessary components for comparing a participant's responses across different conditions?
A researcher argues that a test performed on a single participant's responses provides more objective evidence than visual inspection and should be the sole basis for concluding an intervention was successful. To critique this argument correctly according to single-subject research standards, one must realize that such formal statistical procedures are intended to be _____ methods that support, rather than replace, visual analysis.