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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. 6. Online performance for a version of the headphone screening task without anti-phase tones (Experiment 4).

Fig. 6

All tones had the same phase across stereo channels, removing the manipulation that differentiates listening modes (headphones vs. speakers). This is intended to control for the possibility that the below-chance performance observed in Fig. 5 was due to confusion of task instructions. Results from 150 participants run online on the control screening task. Error bars depict 95% confidence intervals from 1,000 bootstrapped samples. Chance performance would yield 2 trials correct on average.