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## [Observational Measurement of Behavior, Second Edition excerpt](/content/resource-library/observational-measurement-behavior-second-edition-excerpt/index.html)

Read the first chapter on the Introduction to Systematic Observation and Measurement Contexts. Excerpted from Observational Measurement of Behavior, Second Edition by Paul J. Yoder, Ph.D., Blair P. Lloyd, Ph.D., BCBA-D, & Frank J. Symons, Ph.D. [Read More](/content/resource-library/observational-measurement-behavior-second-edition-excerpt/index.html)