{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T13:21:10Z","timestamp":1762176070214,"version":"build-2065373602"},"reference-count":34,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[1998,12,1]],"date-time":"1998-12-01T00:00:00Z","timestamp":912470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Hum Factors"],"published-print":{"date-parts":[[1998,12]]},"abstract":"<jats:p> Operators\u2032 performance in a vigilance task is often assumed to depend on their choice of a detection criterion. When the signal rate is low this criterion is set high, causing the hit and false alarm rates to be low. With increasing time on task the criterion presumably tends to increase even further, thereby further decreasing the hit and false alarm rates. Virtually all of the empirical evidence for this simple interpretation is based on estimates of the bias measure \u03b2 from signal detection theory. In this article, I describe a new approach to studying decision making that does not require the technical assumptions of signal detection theory. The results of this new analysis suggest that the detection criterion is never biased toward either response, even when the signal rate is low and the time on task is long. Two modifications of the signal detection theory framework are considered to account for this seemingly paradoxical result. The first assumes that the signal rate affects the relative sizes of the variances of the information distributions; the second assumes that the signal rate affects the logic of the operator's stopping rule. Actual or potential applications of this research include the improved training and performance assessment of operators in areas such as product quality control, air traffic control, and medical and clinical diagnosis. <\/jats:p>","DOI":"10.1518\/001872098779649337","type":"journal-article","created":{"date-parts":[[2007,1,25]],"date-time":"2007-01-25T05:21:14Z","timestamp":1169702474000},"page":"601-623","source":"Crossref","is-referenced-by-count":26,"title":["Measures and Interpretations of Vigilance Performance: Evidence against the Detection Criterion"],"prefix":"10.1177","volume":"40","author":[{"given":"J. D.","family":"Balakrishnan","sequence":"first","affiliation":[{"name":"Purdue University, West Lafayette, Indiana"}]}],"member":"179","published-online":{"date-parts":[[1998,12,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.3758\/BF03205519"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1037\/1082-989X.3.1.68"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1037\/0096-1523.22.3.615"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.1177\/001872087902100109"},{"key":"atypb5","doi-asserted-by":"publisher","DOI":"10.1037\/h0025930"},{"volume-title":"The psychology of vigilance","year":"1982","author":"Davies, D. R.","key":"atypb6"},{"key":"atypb7","first-page":"71","volume":"6","author":"Deaton, J. E.","year":"1993","journal-title":"Human Factors"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1016\/0022-2496(69)90019-4"},{"volume-title":"Signal detection theory and psychophysics","year":"1974","author":"Green, D. 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