Web10 views, 0 likes, 1 loves, 0 comments, 0 shares, Facebook Watch Videos from Get Published Successfully: This is a promo for our Clubhouse WebNov 9, 2000 · For example, if a suspect exhibits two of eight possible scoring clues on the walk-and-turn test, the NHTSA guidelines state that there is a 68% probability that the person ' s blood alcohol level is above .10%. The probabilities for the other two tests detecting someone with illegal intoxication levels based on the scoring criteria are 65% for …
NHTSA National Highway Traffic Safety Administration
WebOct 16, 2024 · Combined Interpretation of Horizontal Gaze Nystagmus and Walk-and-Turn Tests Based on the original research, combining four or more clues of HGN and two or … WebThere are a total of three clues that can be assessed in this test: lack of smooth pursuit, distinct nystagmus at maximum deviation, and the onset of nystagmus prior to 45 degrees. Each eye is scored independently for three clues in each eye giving a total of six indicators/cues. Horizontal Gaze Nystagmus (HGN) Field Sobriety Test Administration sicilian slave war
Field Sobriety Test Review - Texas District & County Attorneys Association
WebJan 4, 2024 · There are 2 phases and 8 standardized clues for the Walk and Turn test: Instructional Phase Unable to keep balance while listening to instructions Starts too soon … WebJan 10, 2024 · Horizontal Gaze Nystagmus: (4) or more clues occurred in 37% of the people under 0.08 grams. Walk and Turn: (2) or more clues occurred in 52% of the people under 0.08 grams. One Leg Stand: (2) or more clues occurred in 41% of the people under 0.08 grams. Where do the high percentages of reliability that NHTSA reports come from? WebTests sponsored by the National Highway Traffic Safety Administration revealed that the HGN test is most reliable (77 percent), followed by the walk-and-turn test (68 percent) and … the pete store chesapeake