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The theory of signal detection, originally formulated in the context of vigilance tasks in applied psychology, went on to become useful in a wide variety of other fields, including medicine, psychiatry and engineering. Using the concepts of hit rate, the proportion of signals correctly detected, and false positive rate, the proportion of non-signals reported as signals, two measures d' and ß are derived. The former measures the ease with which the signal can be detected, or the skill shown by the subject in doing so, while ß measures the degree of caution which the subject adopts in reporting signals. Thus, d' is usually a function of the experimental conditions while ß can be manipulated by changing the subject's instructions. Originally published in 1973, this book will be of value to anyone with an interest in signal detection.
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- Date Published: June 2011
- format: Paperback
- isbn: 9780521294638
- length: 110 pages
- dimensions: 229 x 152 x 7 mm
- weight: 0.17kg
- availability: Available
Table of Contents
Tracts Computers 30: Table of d' and ß.
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