Using sequential analysis to assess component integrity of discrete-trial teaching programs

ABSTRACT Treatment integrity is the extent to which interventionists implement treatment procedures as prescribed. The majority of treatment integrity research involving discrete-trial teaching (DTT) reports an overall score summarizing integrity across procedural components. Because DTT is a procedure consisting of multiple steps, practitioners may find it helpful to report integrity data separately for each component (i.e., component integrity). Recent research has found that high levels of overall integrity are not always representative of high integrity for individual treatment components. The purpose of this study was to assess component integrity of DTT programs occurring in the natural environment with a specific emphasis on identifying integrity errors for an error-correction procedure consisting of remedial trials. The results showed that high overall levels of integrity did not correspond to high levels of integrity for the remedial trial portion of the error-correction procedures. We discuss the implications of the results for research and practice.

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