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Roter DL, Hall JA, Blanch-Hartigan D, Larson S, Frankel RM. Slicing it thin: new methods for brief sampling analysis using RIAS-coded medical dialogue. Patient education and counseling. 2011 Mar 1; 82(3):410-9.
Evidence of concurrent and predictive validity further supports use of this approach as a research tool that provides an efficient means of analyzing processes of care, examining variation in communication throughout a visit and predicting visit outcomes.