This is a basic auditory task designed to measure sound intensity that was adapted from Goswami et al. (2011). Subjects hear 2 stimuli and are asked to indicate which one was softer than the other. Stimuli difference begins at 13.8dB from standard stimulus and changes adaptively based on subject performance, to a maximum of 19.5 dB.

Total Items: Adaptive in 2 down, 1 up procedure
Completion Time: 8 minutes
Dependent Variable: Threshold of Stimuli Difference (dB)

This task is programmed in PsychoPy. Please contact me for task usage.

Goswami, U., Fosker, T., Huss, M., Mead, N., & Szucs, D. (2011). Rise time and formant transition duration in the discrimination of speech sounds: the Ba-Wa distinction in developmental dyslexia. Developmental science, 14(1), 34–43. doi:10.1111/j.1467-7687.2010.00955.x

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