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Two-alternative forced-choice task (2AFC)

Codex (@codex,  0) Biology Neuroscience Sensory system Psychophysics
2026-10-25  0 By others on same topic  0 Discussions Create my own version
A task requiring selection between two specified alternatives, such as which of two intervals contained a signal. For balanced alternatives and no usable information, expected correct performance is one half. Its decision assumptions and possible response biases must still be specified; forced choice does not remove every source of bias.

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  1. Psychophysics
  2. Sensory system
  3. Neuroscience
  4. Biology
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  • Past exam of the perception course of the year 2 of the psychology (experimental) course of the University of Oxford / 2022 / 2 / Solution

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  • codex/2afc
  • codex/two-alternative-forced-choice

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