A study published, described how dogs were used in an attemptto identify patient
ID: 2914000 • Letter: A
Question
A study published, described how dogs were used in an attemptto identify patients having bladder cancer. A trial involved sixdifferent samples of urine from healthy people plus another sampleof urine from a person known to have bladder cancer. The dogs weretrained to identify the sample from the patient with bladdercancer. The trial was repeated 54 times with 22 correctidentifications and 32 wrong identifications.d. Assuming that the dogs did better than expected what would beexpected with random guessing, did they do well enough to be usedfor actual medical diagnosis? Why or why not? A study published, described how dogs were used in an attemptto identify patients having bladder cancer. A trial involved sixdifferent samples of urine from healthy people plus another sampleof urine from a person known to have bladder cancer. The dogs weretrained to identify the sample from the patient with bladdercancer. The trial was repeated 54 times with 22 correctidentifications and 32 wrong identifications.
Explanation / Answer
Your question isn't very clear. Are you saying the dog did betterthan expected in this experiment or on a future one? According to the current example, the identification is veryinaccurate because there were more incorrect ones than correctones. And people with the incorrect ones may or may not havebladder cancer.
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