An automated version of the digit symbol substitution test (DSST)

Daniel R. McLeod, Roland R. Griffiths, George E. Bigelow, John Yingling

Research output: Contribution to journalArticlepeer-review

322 Scopus citations


An automated version of the Digit Symbol Substitution Test is described that employs a relatively inexpensive, commercially available microcomputer to present and score the task. Advantages of the automated DSST include: (1) objective scoring of both speed and accuracy of test performance, (2) printed copies of test scores, (3) convenient administration under standardized test conditions, and (4) the capacity for repeated assessment of an individual's performance over time. Task performance data for individual subjects following doses of pentobarbital are presented; these data illustrate both the stability of task performance under constant conditions and the within-subjects sensitivity of task performance to experimental manipulations.

Original languageEnglish (US)
Pages (from-to)463-466
Number of pages4
JournalBehavior Research Methods & Instrumentation
Issue number5
StatePublished - Sep 1982

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Arts and Humanities (miscellaneous)
  • Psychology (miscellaneous)
  • General Psychology


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