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Cross-System Legibility of a Practitioner-Derived Workflow-Error Taxonomy for Conversational AI: A Three-Comparator Agreement Study

Austria, D.; McCollister, B.; Lindsey, J. E.; Arowolo, M.; Okon, M.

2026-09-07 health informatics
10.64898/2026.09.02.26362090 medRxiv
Show abstract

Practitioner-derived taxonomies of conversational artificial intelligence (AI) workflow errors show low inter-rater agreement among human coders, leaving open whether the instrument is ill-specified or the judgments are inherently difficult. We delivered a locked eight-category workflow-error taxonomy verbatim, under standardized conditions, to three frontier large language model comparators from distinct developer lineages, which coded a documented 45-incident error corpus. On the same 16 incidents coded by three human reviewer-authors, comparator category agreement was substantial (Fleiss {kappa}=0.625) against slight human agreement ({kappa}=0.155); across the full corpus it was stable ({kappa}=0.632), and a 10-category refinement did not reduce it ({kappa}=0.690). Severity and a claimed-verification flag remained only fair in both arms and on both samples. Substantial cross-system consistency provides a legibility signal consistent with recoverable category distinctions, but cannot separate instrument clarity from shared model priors, and is not a validation of any coding.

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