PSY100H1 Chapter Notes - Chapter 9: Visual Analogue Scale, Suicidal Ideation, Repeated Measures Design
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PSY100H1 Full Course Notes
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Perception studies have small number of people because virtually everyone"s visual system works the same way (don"t really need huge amounts of participants, but design has to be different: can"t be typical between group designs) In clinical areas, one rationale for studying these small n-designs low number of cases, therefore limited potential pool. Small-n designs: alternative to group designs, generally involve between 1-9 participants meaningful study with one person, systematic procedure for testing changes in a single subject"s or small number of subjects" behaviour, often used in clinical cases. Still see cycle even after intervention, but is muted. Intensity of symptoms are reduced after intervention: no pattern. Difference between pre- and post- looks unrelated. Must be sensitive to range or gradients that you"re interested in: occurs often enough. Analyzing small-n designs: visual (graph) vs. statistical. Importance of seeing whether the difference is clinically meaningful or not: need more for practical significance and not whether there is a change.
