Standardized Field Sobriety Testing

Question 1

A SFST should be _______ and _______ the driver’s attention

Answer 1

simple, divide

Question 2

Phase 1

Answer 2

Vehicle in motion, can i stop the vehicle

Question 3

Phase 2

Answer 3

Personal contact, should I ask the driver to exit the vehicle

Question 4

Phase 3

Answer 4

pre-arrest screening, should I make the arrest?

Question 5

Horizontal gaze nystagmus

Answer 5

involuntary jerking of the eyes as they look to the side.
this test is reliable, involuntary, and noticeable

Question 6

What are the 3 validated clues of horizontal gaze nystagmus?

Answer 6

• lack of smooth pursuit
• distinct and sustained nystagmus at maximum deviation
• onset of nystagmus prior to 45 degrees

Question 7

What are the 3 SFSTs?

Answer 7

HGN
Walk and turn test
One leg stand