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Artman, Kathleen; Wolery, Mark; Yoder, Paul – Remedial and Special Education, 2012
Most investigators using single-case experimental designs use interobserver agreement (IOA) checks to enhance the credibility of the collected data, and they report the results of those assessments using percentage of agreement estimates. An alternative is to graph both observers' records of the measured behavior on the primary study graphs. Such…
Descriptors: Research Methodology, Inspection, Interrater Reliability, Research Design