SFST Studies
What year was the San Diego study conducted
1998
The DUI Detection Phases
Vehicle in Motion, Personal Contact, Pre-Arrest Screening
P.U.S.H.
Puts foot down, uses arms for balance, sways, hops
55-10-401
DUI
Which study do we use to validate our SFST’s today
1998 San Diego Study
Involuntary jerking of the eyes
Nystagmus
S.C.I.M.I.S.S.U.
starts too soon, can’t maintain balance, improper turn, misses heel to toe, incorrect number of steps, stops while walking, steps off line, uses arms
55-10-406
Implied Consent
The San Diego study had a _____ percent correct arrest decision for a 0.08 BAC and above using the three SFST’s
91%
Pre-Arrest Screening
The third phase of DUI detection
The total clues that are in each standardized tests
HGN 6, WAT 8, OLS 4
The phase I see, hear, and smell
Phase Two: Personal Contact
The study that was the first full field validation study using SFST experienced law enforcement
Colorado Study
Observing the vehicle in operation and note driving indicators or impairment
The first task of Phase One: Vehicle in Motion
The clue ratio for a suspect at or above .08
4, 2, 2
.04
A CDL holder can be charged with DUI for a BAC of _.04_ or higher
The year NHTSA sponsored extensive research to develop the Standardized Field Sobriety Tests
1975
The two major evidence gathering tasks in Phase 2: Personal Contact
Interview of the driver, observation of the exit
The three clues observed in the Horizontal Gaze Nystagmus test
Lack of Smooth Pursuit, Distinct and Sustained Nystagmus at Maximum Deviation, Onset of Nystagmus Prior to 45 Degrees
NHTSA
National Highway Traffic Safety Administration