The four-interval, two-alternative forced-choice (4I2AFC): A powerful sensory discrimination method to detect small, directional changes particularly suitable for visual or manual evaluations
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DOI: 10.1016/j.foodqual.2018.11.008
Abstract: Abstract The four-interval, two-alternative forced-choice (4I2AFC) is a paired version of the 2-AFC with AB and BA pairs as two alternatives, where A is a signal or a stronger stimulus and B is a noise… read more here.
Keywords: sensory discrimination; four interval; forced choice; method ... See more keywords