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Yes, almost any measurement has a range of uncertainty. In addition, you must consider the errors inherent in taking samples, and the expert opinion on the reliability of the test method.
With fingerprints for example, these are commonly considered infallible. But that depends upon how many points of comparison were made. [The points of comparison are forks, whorls, arches, and so on of the fingerprint ridges.] Currently, a 7 point match is considered good, but a 4 or 5 point match is much more suspect.
In science in general, peer review of test methods is one of the 'gold standards'. In the case of fingerprints, say, the peer review test should be carried out on a number of prints, at a number of laboratories.
Seldom does evidence presented have such a quality history.
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Are some forensic tests by their nature NOT conclusive?
Polygraphs are used as an interrogation tool with criminal suspects or candidates for sensitive public or private sector employment. The use and effectiveness of the polygraph is controversial, with the manner of its use and its validity subject to increasing criticism.
Why do you sample forensic evidence?
Forensic evidence is not 'sampled,' it is ANALYZED, by taking a 'sample' of it and conducting laboratory or or other technical tests or analyses of it.
If you have done 6 pregnancy tests and they are negative is this conclusive?
Yes as they are negative you can conclude, the test is negative and nothing to worry.
What are some jobs in the forensic field?
criminal profiler criminologist forensic scientist crime scene investigator forensic chemist fingerprint expert
What are some of the advantages and disadvantages to automated forensic packages?
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Are some forensic tests by their nature NOT conclusive?
Polygraphs are used as an interrogation tool with criminal suspects or candidates for sensitive public or private sector employment. The use and effectiveness of the polygraph is controversial, with the manner of its use and its validity subject to increasing criticism.
Can you make a sentence using the word conclusive?
The blood tests made a conclusive diagnosis. Conclusive testing can show positive or negative results. Conclusive simply means definite. While the patient had a preliminary diagnosis of leukemia, negative results of tests were conclusive.
Make a sentence using the word conclusive?
Conclusive means to prove something. A sentence with conclusive in it would be, the tests were not conclusive, so they had to try different types of testing.
what is forensic drug testing?
Forensic drug testing is to identify unknown powders, liquids and pills that may be illicit drugs. There are basically two categories of forensic tests used to analyze drugs and other unknown substances. They are Presumptive tests and Confirmatory tests.
Do forensic toxicologists have a MD?
If you are talking about the medical examiner, who interprets and reports the results of the toxicology screenings/tests, then yes - they are MDs. However, forensic labratory technicians who run the tests are not. Usually a Bachelor's degree with specialized training in forensic science is required.
Are there any practice tests that happen before the actual test?
There are some free tests online to practice but a test is not required to become a forensic scientist. In most cases, all that is needed a Bachelor's Degree in Forensic Science. A test completion does however improve your resume for such a career.
How are flame tests used in forensic science?
Flame tests are used to help identify substances used in murders
Why do you sample forensic evidence?
Forensic evidence is not 'sampled,' it is ANALYZED, by taking a 'sample' of it and conducting laboratory or or other technical tests or analyses of it.
If you have done 6 pregnancy tests and they are negative is this conclusive?
Yes as they are negative you can conclude, the test is negative and nothing to worry.
Where can you find forensic science tests?
You will be able to find credible forensic science tests by looking on the websites of recognised and certified institutions such as universities and technical colleges. Beware of sites that are not attached to a physical institution and who ask for fees upfront.
What is a cause of forearm pain?
There are some free tests online to practice but a test is not required to become a forensic scientist. In most cases, all that is needed a Bachelor's Degree in Forensic Science. A test completion does however improve your resume for such a career.
Why use flame tests in forensic science?
Flame tests allow you to get some idea of what substances make up a given sample. It is particularly useful for the identification of polymers, because many of them give off unique burn patterns.
