Severity of symptoms is indicated with percentile scores. Because the tool is measuring aberrant behaviors, lower percentile scores are better Severity ranges are indicated by T-scores: T-scores of 59 or less indicate a Normal range, T-scores of 60 through 75 indicate a Mild to Moderate range, and T-scores of 76 or higher indicate a Severe range.
The SRS Total T-score is comprised of five subscale results that assess