PSYC 201W Lecture Notes - Lecture 12: Internal Validity, Applied Behavior Analysis, Psychophysics
8 Mar 2016
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Chapter 12 - single-case experimental designs single-case experimental designs. * researchers systematically examine how an iv influences the behaviour of an individual case the argument for single-subjects designs. * practical problems with large n designs (ex. someone with a rare disorder) * philosophical reasons (the basis of psychology was to explore an individual, rather than a group) * focus on average performance, mean score may not accurately represent the score of an individual. * eysenck, 1952 vs. bergin, 1966 - neuroticism. * group data often may describe a process of functional relationship that has no validity for any individual. * no demonstration of reliable effect of the iv. * reliance on* key features of a single-subjects design. * each participant serves as his/her own control or comparison. * built-in replication, allows the researcher to assess whether or not the iv affects the dv. * reliance on visual analysis of data advantages: * afford systematic understanding of low base rate phenomena.
