Field Sobriety Tests
DUI Field Sobriety Testing Information
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Overview
History
Standardized
Horizontal Gaze Nystagmus (HGN)
Walk-and-Turn Test
One-Leg Stand Test
Non-Standardized
Vertical Gaze Nystagmus (VGN)
Counting Forwards and Backwards Test
Alphabet ABC Test in DUI Investigations
Finger Count Test in DUI Investigations
Romberg Balance Test
Modified Romberg Test
Finger-to-Nose Test in DUI Investigations
Hand Pat Test in DUI Investigations
Challenges
Refusing Field Sobriety Tests
Accuracy of Field Sobriety Tests
Attacking Field Sobriety Tests
Challenges to Field Sobriety Tests
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