The reliability testing of alcoholism are often questioned. There are several tests administered to people suspected of having too much to drink. The reliability of several trials had been successfully challenged in court.
The challenges of reliability occurs when the test used is considered subjective or indirect. The results of breathalyzer tests are often challenged based on the analyzer an indirect measure of the level of alcohol in the blood of someone.The analyzer is essentially establishing a BAC of air breathed by the individual tested. The problem is that this is not a controlled environment. There are too many variables at hand to ensure reliability.
The first variable is the air itself. The analyzer is a vacuum. So there seems to be entering the analyzer is not the individual. Some judges have determined that sufficient to consider that the test is unreliable because the measure can notpossibly be accurate. The test will read a false positive if smoke is another alcohol based nearby. Cologne and the mouth cause inaccurate readings due to dilute alcohol in their ingredients.
Another critical variable is the temperature. In addition to the environmental temperature, body temperature of the individual tested can affect the results. The temperature of the machine also affects the reading. Reliability issues may arise depending on who isadminister the test. If this person is not trained properly or simply did not administer the test properly, the result may be a misreading. However, many courts continue to rely solely on technology breathalyzer machine.
Tests of sobriety seem more reliable. In fact, the variables at play here are even more subjective. All can not walk straight, sober or not. If a person has a balance disorder, it may not be able to walk straight. Policeofficers and other testers have no way of knowing if someone has a physical or medical condition that impacts negatively on their sobriety test.
The reliability of tests to measure alcohol content blood alcohol continues to be questioned. Convictions have been canceled in some courts. While we must protect the public against people who are drunk and potentially dangerous to themselves or others, we must also protect these same people for fines and prison abusetime due to alcohol tests unreliable.
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