The five field sobriety tests:

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The five field sobriety tests:

A horizontal gaze nystagmus test. The driver is asked to follow the lighted red tip of a pen with his eyes, without moving his head. If a driver has been drinking his eyes will jerk, instead of following the light smoothly.

The nine steps test. The driver must walk a straight line heel-to-toe for nine steps, make a tight turn, and walk back nine steps.

Balancing on one leg. The driver stands on one foot for about 30 seconds.

Touching the nose. With hands at his side, the driver is asked to close his eyes, lean his head back, and touch his nose with the tip of each finger.

Reciting the alphabet.

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