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Patients Derogate Physicians Who Use a Computer-Assisted Diagnostic Aid

Department of Psychology, The Ohio State University, Columbus, Ohio, arkes.1{at}osu.edu

Victoria A. Shaffer, PhD

Department of Psychology, Wichita State University, Wichita, Kansas

Mitchell A. Medow, PhD, MD

Division of General Internal Medicine, College of Medicine, The Ohio State University, Columbus, Ohio

Objective . To ascertain whether a physician who uses a computer-assisted diagnostic support system (DSS) would be rated less capable than a physician who does not. Method. Students assumed the role of a patient with a possible ankle fracture (experiment 1) or a possible deep vein thrombosis (experiment 2). They read a scenario that described an interaction with a physician who used no DSS, one who used an unspecified DSS, or one who used a DSS developed at a prestigious medical center. Participants were then asked to rate the interaction on 5 criteria, the most important of which was the diagnostic ability of the physician. In experiment 3, 74 patients in the waiting room of a clinic were randomly assigned to the same 3 types of groups as used in experiment 1. In experiment 4, 131 3rd- and 4th-year medical students read a scenario of a physician-patient interaction and were randomly assigned to 1 of 4 groups: the physician used no DSS, heeded the recommendation of a DSS, defied a recommendation of a DSS by treating in a less aggressive manner, or defied a recommendation of a DSS by treating in a more aggressive manner . Results. The participants always deemed the physician who used no decision aid to have the highest diagnostic ability. Conclusion. Patients may surmise that a physician who uses a DSS is not as capable as a physician who makes the diagnosis with no assistance from a DSS. Key words: decision support techniques; diagnosis computer assisted; patient satisfaction. (Med Decis Making 2007; 27: 189—202)

Medical Decision Making, Vol. 27, No. 2, 189-202 (2007)
DOI: 10.1177/0272989X06297391


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