- Four color-coordinated Scoring Keys.
- Administration and scoring can be accomplished by individuals with no formal training under the supervision of a qualified psychologist. Interpretation within the context of a comprehensive neuropsychological evaluation requires training in clinical psychology or neuropsychology.
- Respondents are asked to find and cross out either "6s" or "9s," which appear randomly within 59 rows of single digits.
- The 59 rows of digits are printed in red on the first stimulus page and in blue on the second.
Normative data are not provided in the Professional User's Guide, but are presented in Revised Comprehensive Norms for an Expanded Halstead-Reitan Battery: Demographically Adjusted Neuropsychological Norms for African American and Caucasian Adults.
Note: Stopwatch required