Standardized Field Sobriety Test Course
Session 1 - Introduction
Glossary of Terms
VALID
Conforming
to accepted principles. Producing accurate and reliable results.
VALIDATED
A
documented act of demonstrating that a procedure, process, and/or activity will
consistently
lead to accurate and reliable results.
VEHICLE IN MOTION
The
first phase in the DWI detection process. In this phase the officer observes
the
vehicle in operation, determines whether to stop the vehicle, and observes
the
stopping sequence.
VERTICAL GAZE NYSTAGMUS
An
involuntary jerking of the eyes (up-and-down) which occurs as the eyes are
held
at maximum elevation. The jerking should be distinct and sustained.
VOIR DIRE
A
French expression literally meaning “to see, to say.” Loosely, this would be
rendered
in English as “To seek the truth,” or “to call it as you see it.” In a law or
court
context, one application of voir dire is to question a witness to assess his or
her
qualifications to be considered an expert in some matter pending before the
court.
VOLUNTARY NERVE
A
motor nerve that carries messages to a muscle that we consciously control.
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WALK AND TURN (WAT)
A
divided attention field sobriety test. The second test administered in SFST
battery.
WITHDRAWAL
This
occurs in someone who is physically addicted to a drug when he or she is
deprived
of the drug. If the craving is sufficiently intense, the person may
become
extremely agitated, and even physically ill.
HS
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