Psychophysical Methods for Measuring Difference Thresholds

FREE for use with an Inquisit Lab or Inquisit Web license.

Available Test Variations

Method of Adjustment
This script shows Fechner's Method of Adjustment for detection psychophysical difference thresholds.
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
Portuguese
Sep 2, 2025, 10:58PM
Method of Constant Stimuli
This script shows Fechner's Method of Constant Stimuli for detection psychophysical difference thresholds.
Duration: 3 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
Portuguese
Sep 2, 2025, 10:58PM
Method of Limits
This script shows Fechner's Method of Limits for detection psychophysical difference thresholds.
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
Portuguese
Sep 2, 2025, 10:58PM
Staircase Method
This script shows von Békésy's Staircase Method for detection psychophysical difference thresholds.
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
Portuguese
Sep 2, 2025, 10:58PM

References

Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Psychophysical Methods for Measuring Difference Thresholds.

Fechner GT (1860/1966) Elemente der Psychophysik. Breitkopf & Härtel, Leipzig (reprinted in 1964 by Bonset, Amsterdam); English translation by HE Adler (1966): Elements of psychophysics. Holt, Rinehart & Winston, New York.

Békésy G von (1947) A new audiometer. Acta Otolaryngol 35: 411–422

Blackwell HR (1952) Studies of psychophysical methods for measuring visual thresholds. J Opt Soc Amer 42: 624–643