Digit Span (WISC-R for Children, WMS-R for Adults)
For Digit Span Forward, the participant is read a sequence of numbers and recalls the numbers aloud in the same order. For Digit Span Backward, the examinee is read a sequence of numbers and recalls the numbers aloud in reverse order. The test measures simple attention, short term memory, and working memory.
Note: The Digit Span is administered to children and adults ages 6-85 years old.
Ivnik, et al (1992) Mayo’s older Americas normative studies: WAIS-R norms for ages 56 to 97. The Clinical Neuropsychologist, 6, 1-30.
Kaufman, A. (1975) Factor analysis of the WISC-R at 11 age levels between 6 ½ and 16 ½. Journal of Consulting and Clinical Psychology, 43, 2, 135-147.