Integrating Single-Subject and Group Research
Despite originating from different methodological traditions, single-subject and group research can successfully inform and complement one another to advance psychological knowledge. By synthesizing findings from both approaches, researchers can build a more comprehensive understanding of complex topics that span across different populations and species.
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Research Methods in Psychology - 4th American Edition @ KPU
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How do single-subject and group research approaches relate to one another in advancing psychological knowledge?
A researcher studying a new anxiety-reduction technique first demonstrates its effectiveness with a detailed, repeated-measures design on three individual clients, then conducts a large-scale experiment with 200 randomly assigned participants to test whether the effect generalizes. This approach of combining findings from individual-level and large-sample studies strengthens the overall evidence because the detailed individual data reveal how and why the technique works, while the large-sample data reveal whether the effect holds across a broad population.