Which of the following is a reason why you might be asked to perform a field sobriety test?

A person might be asked to perform a field sobriety test after recklessly changing lanes because such behavior can raise suspicions about their level of impairment. When driving, sudden or unsafe lane changes may indicate that a driver is not fully in control of their vehicle, often a sign of intoxication. Law enforcement officers are trained to observe signs of impairment, and reckless driving is one of those indicators that may warrant further investigation, including a field sobriety test, to assess the driver's physical and mental faculties. This enables officers to determine whether the individual is fit to drive safely.

In contrast, driving too slowly can be a sign of caution or uncertainty rather than impairment, having a loud stereo does not typically impact driving ability, and failing to signal a turn is often seen as a traffic violation rather than an indication of intoxication unless accompanied by other signs of impairment.