According to the San Diego study, what percentage of the time can the Walk and Turn test determine a BAC above 0.08?

The San Diego study indicates that the Walk and Turn test can accurately determine a blood alcohol concentration (BAC) above 0.08 a significant percentage of the time. The figure of 79% highlights the effectiveness of this test as a field sobriety assessment tool. This test evaluates an individual's ability to maintain balance, follow instructions, and perform physical tasks that require coordination, all of which can be significantly impaired by alcohol consumption.

The strong correlation between the results of the Walk and Turn test and the measurement of BAC above the legal limit reflects the reliability of this specific test in providing law enforcement officers with a means to assess potential intoxication during roadside evaluations. This focus on the percentage underscores the importance of using validated methods in DUI enforcement to ensure accurate and fair assessments of drivers' impairment levels.