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Using signal detection to study GPs' decision making in relation to urgent cancer referrals
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Description: We used a signal detection approach to measure GP decision making in relation to referring patients to secondary care for suspected cancer. We also measured the association between the discrimination and response bias of GPs and publicly available indices of clinic performance. We conducted two signal detection studies, one for lung cancer, and the other for colorectal. The lung cancer study is published; the colorectal cancer study produced consistent results and is being written up.