Examination of ambiguous stimulus preferences with duration-based measures

Iser G. DeLeon, Brian A. Iwata, Juliet Conners, Michele D. Wallace

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


Items that produced ambiguous results in an approach-based preference assessment were reassessed using a duration-based assessment. The reinforcing effects of three items on free-operant responding were subsequently tested. The results suggested that the duration-based assessment produced slightly more differentiated results and that predictions about reinforcer value, based on this assessment, were accurate.

Original languageEnglish (US)
Pages (from-to)111-114
Number of pages4
JournalJournal of Applied Behavior Analysis
Issue number1
StatePublished - Mar 1999


  • Developmental disabilities
  • Reinforcer assessment
  • Stimulus preference

ASJC Scopus subject areas

  • General Psychology
  • Clinical Psychology


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