Visual Analysis of Graphic Data

Description of the Strategy

The visual analysis of graphically displayed data is the primary strategy applied researchers use for analyzing data collected within the context of a singlesubject research design. Unlike group research methodology, in which participants' data are grouped and statistically analyzed, single-subject research methodology emphasizes the importance of analyzing each participant's performance across experimental conditions to determine the effect the independent variable has on each individual's behavior. Simple line graphs are used to visually display primary data, and visual analysis guidelines are followed to increase accuracy in interpreting data patterns.

The graphic display and visual analysis of each research participant's performance data have several advantages. Specifically, the ongoing and formative evaluation of participant behavior is helpful in determining whether to maintain, ...

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