Psychophysical Methods for Measuring Difference Thresholds

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Inquisit Test Variants

Method of Adjustment - English

This script shows Fechner's Method of Adjustment for detection psychophysical difference thresholds.


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(See how the test runs with Inquisit Web) 		User Manual Sample Data Last Updated: Mar 16, 2020, 6:39PM

Method of Constant Stimuli - English

This script shows Fechner's Method of Constant Stimuli for detection psychophysical difference thresholds.


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(See how the test runs with Inquisit Web) 		User Manual Sample Data Last Updated: Jul 10, 2020, 6:38PM

Method of Limits - English

This script shows Fechner's Method of Limits for detection psychophysical difference thresholds.


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(See how the test runs with Inquisit Web) 		User Manual Sample Data Last Updated: Mar 16, 2020, 6:39PM

Staircase Method - English

This script shows von Békésy's Staircase Method for detection psychophysical difference thresholds.


(Requires Inquisit Lab to run on your computer) 		Run Test Online
(See how the test runs with Inquisit Web) 		User Manual Sample Data Last Updated: Mar 16, 2020, 6:39PM

References

Find 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