An adaptive staircase procedure for the E-Prime programming environment

W. David Hairston, Joseph A Maldjian

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Many studies need to determine a subject's threshold for a given task. This can be achieved efficiently using an adaptive staircase procedure. While the logic and algorithms for staircases have been well established, the few pre-programmed routines currently available to researchers require at least moderate programming experience to integrate into new paradigms and experimental settings. Here, we describe a freely distributed routine developed for the E-Prime programming environment that can be easily integrated into any experimental protocol with only a basic understanding of E-Prime. An example experiment (visual temporal-order-judgment task) where subjects report the order of occurrence of two circles illustrates the behavior and consistency of the routine.

Original languageEnglish (US)
Pages (from-to)104-108
Number of pages5
JournalComputer Methods and Programs in Biomedicine
Issue number1
StatePublished - Jan 2009


  • Adaptive
  • E-Prime
  • Methods
  • Psychophysics
  • Staircase

ASJC Scopus subject areas

  • Software
  • Computer Science Applications
  • Health Informatics


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