![]() This is the most popular form of testing because they are portable and offer instant results for police officers and emergency workers. Intoxication can often be identified when conducting tests such as the one-legged stand, having the person walk in a straight line and turn around, and the horizontal gaze nystagmus test, when the person is asked to focus on an object that it 12-15 inches away from their horizontal view. The field sobriety tests require individuals to complete basic tasks that measure balance, coordination and response time. This test is purely physical with no chemical or medical tests being performed. This is the most basic form of alcohol testing, and is considered to be the most inaccurate compared to other tests. ![]() Here are four of the most common forms of alcohol tests that are normally associated with DUI’s: ![]() Over the years, alcohol-testing methods had improved to become more accurate and less invasive.
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