Single-Subject Design is an experimental method that is commonly used in psychology and behavior analysis to evaluate the effectiveness of an intervention on a single individual. This design is particularly useful when studying rare or unique cases, and when it is not feasible to conduct large-scale studies. In Single-Subject Design, the individual's behavior is measured repeatedly over time, and the intervention is introduced and withdrawn at different points during the study. This allows researchers to determine whether the intervention has had a significant effect on the individual's behavior. One of the key features of Single-Subject Design is that it emphasizes the importance of individual differences. Unlike traditional experimental designs, which typically involve large groups of participants, Single-Subject Design focuses on the behavior of a single individual. This allows researchers to tailor the intervention to the specific needs of the individual, and to evaluate the effectiveness of the intervention on a case-by-case basis. Another important aspect of Single-Subject Design is the use of visual analysis. In this approach, researchers analyze the data by visually inspecting graphs of the individual's behavior over time. This allows them to identify trends and patterns in the data, and to determine whether the intervention has had a significant effect on the individual's behavior. Overall, Single-Subject Design is a valuable tool for researchers in psychology and behavior analysis. It allows them to study rare or unique cases, and to evaluate the effectiveness of interventions on a case-by-case basis. By emphasizing the importance of individual differences and the use of visual analysis, Single-Subject Design provides a powerful approach for understanding human behavior.
experimental method, psychology, behavior analysis, individual differences, visual analysis
CITATION : "Matthew James. 'Single-Subject Design.' Design+Encyclopedia. https://design-encyclopedia.com/?E=280431 (Accessed on June 15, 2025)"
Single-Subject Design is an experimental approach widely used in psychological research and behavior analysis. It assesses the effects of an intervention on a single individual. Through a repeated-measures design, the individual’s responses are measured in the presence and absence of the intervention. The aim of this design is to identify cause-and-effect relationships between variables. The famous artist associated with Single-Subject Design is B.F. Skinner, who developed the operant conditioning model and the Skinner Box. His works include the book, Verbal Behavior (1957), and the article, The Science of Learning and the Art of Teaching (1974).
Single-Subject Design, B.F. Skinner, Operant Conditioning, Verbal Behavior, Art of Teaching.
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