During the walk and turn test, if a subject steps off the line twice, how many clues does that indicate?

In the context of the walk and turn test, stepping off the line is a crucial indicator of a subject's performance. Each time a participant steps off the line, it is counted as a separate clue of potential impairment. Therefore, if a subject steps off the line twice during the test, it suggests two clues of impairment. This method of scoring helps officers assess whether an individual may be under the influence of alcohol or drugs. The scoring system is designed to provide a straightforward way of measuring behavior that deviates from expected performance, and in this case, each instance of stepping off the line clearly adds to the total number of clues indicating impairment.