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May 25, 2022

The measurement, visual display, analysis, and reliability of data are all hallmarks in a process behavior analysts use to understand the import of data. Yet research has demonstrated stark differences between options for the measurement/analysis process. First, discontinuous observation and continuous observation can lead to different datasets. All instances of discontinuous observation will have measurement error, and the limitations are discussed. The observed data visually displayed on linear or ratio graphs can likewise produce vastly different patterns of data. And ratio graphs provide quantification absent in linear graphs - the differences can lead analysis and subsequent decision making down different paths. And last, the accuracy with which one records data is contrasted in IOA and Accuracy measures. The difference between the two are discussed and all three components of the measurement process are debated.

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Show Notes


A Critical Review of Line Graphs in Behavior Analytic Journals

Standards of Graph Construction in Special Education Research: A Review of their Use and Relevance