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. Author manuscript; available in PMC: 2017 Nov 17.
Published in final edited form as: Atten Percept Psychophys. 2017 Oct;79(7):2064–2072. doi: 10.3758/s13414-017-1361-2

Fig. 5. Online distribution of scores for the headphone screening task with anti-phase tones (Experiment 3).

Fig. 5

Results from 5,154 participants run online on the 6-trial screening task. Chance performance would yield 2 trials correct on average. Below-chance performance is expected if the task is attempted over stereo loudspeakers, or if task instructions are unintentionally reversed by the participant. Error bars depict 95% confidence intervals from 1,000 bootstrapped samples.