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Radiology, Vol 127, 595-599, Copyright © 1978 by Radiological Society of North America

ARTICLES

Pattern discrimination in matching chest radiographs. Including a role for logistic distribution of observer responses

GR Smith, G van Belle and JW Loop

Tests were designed to determine how well individuals can differentiate similar chest radiographs. These tests were given to 17 persons (radiologists, x-ray technologists, medical students, and secretaries). Each test contained a number of paired, dissimilar, and/or unique radiographs which were to be distinguished from one another or matched. The results suggest, that a radiologist does not have an innate advantage over untrained observers in pattern recognition. It is not known whether pattern-recognition tests are valuable in evaluating potential radiologists. A receiver operating characteristic curve is also described.




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Copyright © 1978 by the Radiological Society of North America.