Single and Double Letter Cancellation TestDecember 13, 2021
The Digit Span Three-Trial Test (Truter, 2018) is a digit span test based on the descriptions by Lezak, Howieson & Tranel (2012), where if an examinee is not able to do two trials of the forwards or backwards spans, they are given a third trial to test the limits.
The instructions for administration and scoring, and the number sequences, are provided through the links below:
Digit Span Three-Trial Test Instructions – English administration
Digit Span Three-Trial Test Form – for non-English examinee
- Lezak, M. D., Howieson, D. B., Bigler, E. D., & Tranel, D. (2012). Neuropsychological Assessment (Vol. V). Oxford, USA: Oxford University Press.
- Truter, S. (2018). Digit Span Three-Trial Test. Cape Town, South Africa: Unpublished test.