Not exact matches
The problems of
false negatives (i.e. the sensor alert not
going off when the athlete is later found to have suffered a concussion), and
false positives (i.e. the sensor triggering an alert when the athlete is later found not to have suffered a concussion) are real concerns.
They will experience what a pregnant woman
goes through from morning sickness to a growing belly which will bring a
false positive result when they try the test.
And although they only have an efficiency of about 7 percent (of every 100 photons that enter the pupil, only about seven
go on to reach the retina) they have a dark count of virtually zero, meaning they generate few if any
false positives.
«
False positives are
going to be random noise rather than systemically biased data.»
People who got a
false -
positive result on a breast or prostate cancer screening test were more likely to adhere to screening guidelines for breast cancer and colon cancer
going forward, researchers found.
Since he's
going to bring up using a breath acetone meter like the Ketonix to measure ketone status, it wouldn't have been too difficult to also include a sentence cautioning that the presence of breath acetone when in ketosis can trigger
false positives in alcohol breathalyzers.
If it's the account, it's
going to be very effective (but I do worry about
false -
positives).
They are not meant to yield absolutely no
false positives or
false negatives, just suggestive indicators of what might be
going on.