False Positive facts

While investigating facts about False Positive Pregnancy Test and False Positive Pregnancy, I found out little known, but curios details like:

40 percent of all Wikipedia vandalism is detected by a single bot. It has only 0.1% false positives.

how false positive pregnancy test?

The False Positive Paradox describes a situation where a "highly accurate" test is worthless if the testing condition is rare enough. Example: If 10 people in a city of 20 million are "bad guys" and a surveillance program identifies them with 99% accuracy, then 99.995% of positives will be false

What's false positive?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what's false positive pregnancy test. Here are 30 of the best facts about False Positive Rate and False Positive Covid 19 I managed to collect.

what false positive means?

40% of all Wikipedia vandalism is detected by a single bot. It has only 0.1% false positives.
In a review of clinical drug trials, almost all negative studies were unpublished, leading to the false impression that 93% of antidepressant trials had positive results. When unpublished studies were included, 51% of all clinical trials were positive and 49% were negative.
The "Nigerian Prince" scam is deliberately crafted with an outlandish premise and using poor english, because by sending an email that repels all but the most gullible the scammer gets the most promising marks to self-select, reducing "false positive" responses and increasing profitability
The entire world was saved from Nuclear obliteration by one Russian lieutenant colonel named Stanislav Petrov in 1983 by trusting his gut and not firing retaliatory nuclear strikes after a satellite had a false positive that America was sending 4 nukes their way.
The Hawthorne Effect is when an individual modifies their behavior because they are being observed. Somewhat like a placebo effect, the novelty of being a research subject and the increased attention could lead to behavior changes that result in false positive & inaccurate experiment conclusions
Donald Crowhurst who in 1968 entered an around the world yacht race, he abandoned the race early on but continued to report false positions in an attempt to make it appear as if he was still competing and ultimately went insane and killed himself
A former chemist admitted to the tampering of nearly 40,000 drug cases, making them falsely positive.
False negatives are far more likely to occur than false positives in HIV testing.
Henry Faulds wrote to Charles Darwin about the potential importance of fingerprinting in the criminal justice system, "but, too old and ill to work on it, Darwin gave the information to his cousin, Francis Galton," who "calculated that the chance of a 'false positive' was about 1 in 64 billion."
The "False positives" scandal. A series of murders from members of the military, who lured mentally impaired civilians to remote parts, killed them and presented them to authorities as guerrilleros killed in battle, in order to receive promotions and other bonuses.

false positive facts — What's false positive and false negative?

Why false positive hiv test?

You can easily fact check why false positive syphilis test by examining the linked well-known sources.

Ranitidine can cause a a false positive on drug tests for amphetamine.

That, because of the False Positive Paradox, if a test for a one in 1000 disease has a true positive rate of 100% and a false positive rate of 5%, the chance of a positive result being correct can be about 2% - source

In the case of certain rare diseases and their tests, getting a positive result shouldn't be reason to panic. It is much more likely that the test actually gave a false positive than a real positive result, because of the rarity of the disease and the imperfect accuracy of the test. - source

If you take an HIV test that is 95% accurate, and you receive a positive result, then the probability that it is a FALSE positive is 84%.

There's a theory of the brace position used in safety protocol for airlines in case of the plane crashing, that states the position is designed to kill you because of how much money victims receive if they survive but was tested by MythBusters to be false. - source

When false positive pregnancy test?

The skin-prick test, used to determine allergies, has a 50-60% false-positive rate

How false positive result?

Poppy seeds may affect a drug screen by giving a false positive for Opiates.

Horseradish contains peroxidase enzymes which can produce a false positive for blood samples when mixed with luminol (the liquid used in crime scene investigations that turns blue in a darkened room)

Dr. Omar Bagasra, director of the Center for Biotechnology, observed 70% of KN Reagent test kits rendered a false positive with 42 non-marijuana substances.

Even CBD Isolate can cause a false positive drug test for THC if a specific deriviative compound is used for the test. (TFAA)

When can a pregnancy test be false positive?

Roadside drug tests can produce a false-positive without ever being exposed to materials outside of the original packaging, without the test ever having been opened.

Drug test kits used by police will give a false positive on almost any substance over 70% of the time. Oregano, Tylenol, even just air alone can yield a false positive

The Scunthorpe Problem - Profanity blockers on sites having false positives due to certain sequences of letters within a name or phrase.

A woman claimed to be able to smell whether or not someone has Parkinson's disease. She was tested and got 11/12 right. The one 'False Positive' was later diagnosed with Parkinson's too, she smelt it before any symptoms had developed.

In the 2,000s Sony invented a fake critic named David Manning to give false positive reviews to movies. Sony decided to settle a case against them for $5 a person for anyone who saw a movie and was dissatisfied with their fake reviews.

How to dispute a false positive drug test?

Bernett et al. won a nobel prize by shoving a dead salmon in an fMRI and found brain activity as a point to show a point blatant example of a false positive within Neuroscience.

If you donate plasma consistently for 2 years, you are statistically bound to get deferred for Hepatitis C thanks to the false-positive rate of 0.469%

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