WebOct 16, 2024 · A wide variety of field sobriety tests existed and there was a need to develop a battery of standardized valid tests. Beginning in late 1975, extensive scientific research studies were sponsored by NHTSA through a contract with the Southern California Research Institute (SCRI) to determine roadside field sobriety tests were the most accurate. WebApr 13, 2016 · The following is an example of the National Highway Traffic Safety Administration's Horizonetal Gaze Nystagmus test- a common field sobriety test
Concepts and Principles of the Standardized Field Sobriety Tests
WebOct 6, 2015 · There are a maximum of 4 clues in this test that the officer is looking for. If the person sways, uses their arms to balance, hops, or puts their foot down, they are given one clue. A slight tremor is not swaying and the arms must be 6 or more inches from the body to be counted as a clue. WebCLUES:LEFTRIGHT *Lack of Smooth Pursuit. 2 seconds out; 2 seconds back *Distinct Nystagmus @Maximum Deviation. Hold minimum of 4 seconds *Onset of Nystagmus. … erewash gymnastics long eaton
Field Sobriety Tests in a DUI Investigation - Law Office of Matthew …
WebThere are eight clues for this test, which include: inability to balance during instructions starting too soon stopping while walking failing to touch heel to toe stepping off of the line using arms for balance turning incorrectly taking the wrong number of steps If the officer sees two of these clues, you may meet the criteria for arrest. WebClues: Instruction phase: 1. Cannot keep balance 2. Starts to soon Walking Phase: 3. Stops while walking 4. Misses heel to toe 5. Steps off line 6. Uses arms to balance 7. Improper turn 8. Wrong number of steps 3. One leg stand (OLS); (Four clues). 1. Swaying 2. Uses arms to balance 3. Hopping 4. Puts foot down Other Field Sobriety Tests (FST’s): WebThe standardized field sobriety tests (SFSTs) were developed by the National Highway Traffic Safety Administration (NHTSA) and these tests are the horizontal gaze nystagmus test (HGN), the walk and turn test (WAT), and the one leg stand (OLS). ere washington