Preliminary evaluation of a two-interval, two-alternative infant behavioral testing procedure

Jenna Browning, Emily Buss, Lori J. Leibold

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The purpose of this study was to evaluate the feasibility and efficiency of an observer-based, two-interval forced-choice infant psychophysical testing procedure. Ten of 11 infants (7-9 months of age) achieved a criterion of 80%-correct detection of a 50-dB sound pressure level noise band in a single testing session. Fewer trials were needed to reach criterion using the two-interval procedure than previously reported for the single-interval observer-based psychophysical procedure [Olsho, Koch, Halpin, and Carter (1987). Devel. Psychol. 23, 627-640]. These results provide preliminary evidence that the two-interval procedure is feasible and efficient while controlling for observer and listener response bias.

Original languageEnglish (US)
Pages (from-to)EL236-EL241
JournalJournal of the Acoustical Society of America
Issue number3
StatePublished - Sep 1 2014

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics


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