DWI Detection and Standardized Field Sobriety Testing Session 10 – “Dry Run” Practice Session

DWI Detection and Standardized Field Sobriety Testing

Session 10 – “Dry Run” Practice Session

Practice procedures

• Horizontal and Vertical Gaze Nystagmus

• Walk and Turn

• One Leg Stand

• Participants record each other’s

performance

Procedures

and Group Assignments

10-3

A. Procedures and Group Assignments

DWI Detection and Standardized Field Sobriety Testing

Session 10 – “Dry Run” Practice Session

Participants observe technique and

scoring only

SFST Battery

Live Administration

10-4

B. Live Administration of SFST Battery

DWI Detection and Standardized Field Sobriety Testing

Session 10 – “Dry Run” Practice Session

“Dry run” practice procedures

Hands on Practice

10-5

C. Hands on Practice

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HS 178 R5/13 3 of 5

DWI Detection and Standardized Field Sobriety Testing

Session 10 – “Dry Run” Practice Session

QUESTIONS?

10-# 10-6

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HS 178 R5/13 4 of 5

PARTICIPANT PROFICIENCY EXAMINATION

STANDARDIZED FIELD SOBRIETY TEST BATTERY

Participant Name: _________________________________ Date: _________________

I. HORIZONTAL GAZE NYSTAGMUS

1.) ______ Have subject remove glasses if worn.

2.) * Stimulus held in proper position (approximately 12”-15” from nose, just

slightly above eye level.

3.) Check for equal pupil size and resting nystagmus.

4.) ______ Check for equal tracking.

5.) * Smooth movement from center of nose to maximum deviation in

approximately 2 seconds and then back across subject’s face to

maximum deviation in right eye, then back to center. Check left eye,

then right eye. (Repeat)

6.) * Eye held at maximum deviation for a minimum of 4 seconds (no white

showing). Check left eye, then right eye. (Repeat)

7.) * Eye moved slowly (approximately 4 seconds) from center to 45 angle.

Check left eye, then right eye. (Repeat)

8.) ______ Check for Vertical Gaze Nystagmus. (Repeat)

II. WALK-AND-TURN

1.) ______ Instructions given from a safe position.

2.) * Tells subject to place feet on a line in heel-to-toe manner (left foot behind

right foot) with arms at sides and gives demonstration.

3.) * Tells subject not to begin test until instructed to do so and asks if subject

understands.

4.) * Tells subject to take nine heel-to-toe steps on the line and demonstrates.

5.) * Explains and demonstrates turning procedure.

6.) * Tells subject to return on the line taking nine heel-to-toe steps.

7.) * Tells subject to count steps out loud.

HS 178 R5/13 5 of 5

8.) * Tells subject to look at feet while walking.

9.) * Tells subject not to raise arms from sides.

10.) * Tells subject not to stop once they begin.

11.) * Asks subject if all instructions are understood.

III. ONE LEG STAND

1.) ______ Instructions given from a safe position.

2.) ______ Tells subject to stand straight, place feet together, and hold arms at

sides.

3.) ______ Tells subject not to begin test until instructed to do so and asked if

subject understands.

4.) * Tells subject to raise one leg, either leg, approximately 6” from the

ground, keeping raised foot parallel to the ground, and gives

demonstration.

5.) ______ Tells subject to keep both legs straight and to look at elevated foot.

6.) * Tells subject to count out loud in the following manner: one thousand

one, one thousand two, one thousand three, until told to

stop, and gives demonstration.

7.) ______ Checks actual time subject holds leg up. (Time for 30 seconds.)

Instructor: ____________________________________________________________________

Note: In order to pass the proficiency examination, the student must explain and cannot omit

the numbers marked with an asterisk (*).

HS 178 R5/13 1 of 7  Source: DWI Detection and

Standardized Field

Sobriety Testing

March 2013 Edition