Police officers have several ways to determine if a driver is impaired during a traffic stop. One of these is the use of sobriety tests. While there are many performed across the country, there are only three specific tests that comprise the standardized field sobriety test. This battery of tests is endorsed by the National Highway Traffic and Safety Administration.
When these three tests are used together, they are supposed to accurately indicate whether a driver is impaired approximately 91% of the time. While some argue that this still leaves a large error margin (and some argue that the accuracy isn’t nearly that high), this battery of tests is admissible in court.
These tests must be performed in a very specific manner. Any deviations can lead to skewed results. If you’re arrested for drunk driving and the officer did a field sobriety test, your attorney might be able to use information about what happened as part of your defense.
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