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PSNet: Patient Safety Network
Journal Article

The "Big Dog" effect: variability assessing the causes of error in diagnoses of patients with lung cancer.

Raab SS, Meier FA, Zarbo RJ, et al. Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 2006;24:2808-14.

The AHRQ–funded researchers analyzed false-negative diagnostic results and found poor agreement among pathologists as to the causes of the error. The authors conclude that pathologist reluctance to change or challenge a peer's reading is a contributing factor.