Standard Celeration Chart System


The standard celeration system (SCS) combines standard celeration chart (SCC) papers, terms, and methods to record, archive, analyze, project, and communicate the growth and decay of any thing that can be counted. Ogden R. Lindsley and his students developed the system in 1966 to speed chart making and reading and to increase the accuracy of sharing learning progress and improvement suggestions between elementary special education students and their teachers. They chose terms based on what the thing being charted was doing (e.g., multiplying) rather than what was in the formula used to obtain a y axis frequency value from an x axis time value (exponential). They reduced complex terms (logarithmic scale) to plain English (multiplication scale) and used simple graphic operations, carefully ...

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