Sentences with phrase «possible false positive»

In fact, the FDA has been cracking down on some services in recent years, pointing out the health risks posed by possible false positive or false negative results.

The standard approach has been to take additional observations for each candidate to rule out possible false positive scenarios, or to detect the planet with a second technique.

Using these observations along with other constraints from high resolution imaging and spectroscopy we are able to exclude the vast majority of possible false positives.

Identifying possible false positives for the signal of life is an ongoing area of research in the exoplanet community.

If life is common, a large sample of terrestrial worlds with highly unusual atmospheric chemistry will secure our belief that life of some kind exists beyond the Earth, regardless of possible false positives.

Not exact matches

It is only possible to prove an existential positive (i.e. something does exist) or to show that an universal qualification is false (by way of counter example)

The computer has flagged about 15,000 possible planets, but a lot of those are false positives.

Discounting false positive sources based on observational or instrumental artifacts or produced by statistically possible coincidences of noise - features in low - amplitude detections, such sources are all related to eclipsing systems.

Is it possible to decrease the costs of false positives?

False negative or false positive results are possible with a marker False negative or false positive results are possible with a marker false positive results are possible with a marker test.

It's possible that Billy's FIV test was a false positive.

Both false positive and false negative test results are possible for coccidiomycosis in endemic areas — such as Arizona.

Diagnosis of canine dirofilariosis in animals which originate from a low - endemic region is difficult for 3 main reasons: 1) possible absence of circulating microfilariae (occult disease), 2) high frequency of a low number of adults, which in turn produces false negative results, using either ELISA or latex agglutination test, 3) possible false sero - positive results, due to cross-reaction with adult antigens of Dirofilaria (Nochtiella) repens (Schrey, 1996), the agent of subcutaneous dirofilariasis causing chronic pruritic dermatitis in dogs (Tarello, 1999).

Also, it is possible to get a positive test that is not correct (a false positive).

While false - negative results on the test are possible, it will usually tell you if your dog is PHA - positive.

False positives are also possible as the degenerative valvular lesions from endocardiosis can be mistaken for vegetations.

He didn't allow me to speak much, but I did get in my favorite argument about scientists needing 95 % certainty to make claim and thus being overly cautious (they need to avoid false positives in order to protect their reputations — which is understandable), while those living in the world (environmentalists, potential victims) would want to follow the «medical model» of avoiding false negatives, and would be concerned about possible problems at a much lower standard of certainty (a doctor would not tell her patient that there is only 94 % certainty the lump is cancerous, so we won't operate).

I set my doorbell's motion zones to the absolute smallest perimeter possible to limit false positives from passing trucks.

The accuracy of retrospectively self - reported childhood trauma might be limited by errors in recall because of possible inaccessibility of traumatic life events [63 — 65] or intentionally false positive or negative responding.

Also, it is possible that a psychiatric evaluation for a false positive screen may serendipitously detect another psychiatric disorder that was not screened for, which adds further benefit to the screening programme.