Concepts and Principles of the Standardized Field Sobriety Tests SFST

1. Concepts and Principles of theStandardized Field Sobriety Tests (SFST)

2. DWI Detection and Standardized Field Sobriety Testing

3. DWI Detection and Standardized Field Sobriety Testing

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10. DWI Detection and Standardized Field Sobriety Testing

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13. DWI Detection and Standardized Field Sobriety Testing

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27. DWI Detection and Standardized Field Sobriety Testing Safety Precautions Keep suspect on left side during demonstrations Never turn back on suspect Be aware of surroundings Left handed officers should demonstrate test at a distance more than arm�s length

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42. DWI Detection and Standardized Field Sobriety Testing Test Your Knowledge Walk-and-Turn is an example of _____ field sobriety test. The Walk-and-Turn requires a real or imaginary line and ____________________ During the _____ stage of the Walk-and-Turn, the suspect is required to count out loud.

43. DWI Detection and Standardized Field Sobriety Testing Test Your Knowledge Per the original research, the Walk-and-Turn can determine whether a suspect�s BAC is above or below 0.10, _____ percent of the time. In the Walk-and-Turn test, a suspect who steps off the line during the first 9 steps and once again during the second 9 steps and who raises arms for balance twice during the second 9 steps has produced _____ distinct clue(s).

44. DWI Detection and Standardized Field Sobriety Testing Test Your Knowledge The Walk-and-Turn may not be valid when administered to persons who are over _____ years of age. During the _____ stage of the One-Leg Stand the suspect must maintain balance for 30 seconds. The One-Leg Stand requires that the suspect keep the foot elevated for _____ seconds.

45. DWI Detection and Standardized Field Sobriety Testing Test Your Knowledge Per the original research, the One-Leg Stand can determine whether a suspect�s BAC is above or below 0.10, _____ percent of the time. In the One-Leg Stand test, a suspect who sways has exhibited _____ clue(s). In the One-Leg Stand test, a suspect who raises arms, hops, and puts foot down has exhibited _____ clue(s).

46. DWI Detection and Standardized Field Sobriety Testing Test Your Knowledge The maximum number of clues for Horizontal Gaze Nystagmus that can appear in one eye is_____. Per the original research, the HGN test can determine whether a suspect�s BAC is above 0.10, _____ percent of the time. The third clue of HGN is an onset of nystagmus prior to _____ degrees.