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. 2001 Oct 9;98(21):12307–12312. doi: 10.1073/pnas.211220498

Figure 3.

Figure 3

Relationship between pretest thresholds and the amount of learning by individual listeners on the ILD conditions. Pretest (abscissa) and posttest (ordinate) thresholds for individual listeners (open symbols), and their group means (filled symbols), in the four ILD conditions. Results are shown for the ILD-trained (Left) and control (Right) listeners. We determined the linear regression of y on x for each data set (dashed lines), excluding values (hourglasses) for which the pretest threshold was either more than two standard deviations above or below the mean of all listeners, or was flagged by a Leverage test (30) during the fitting process. The regression-line slope and intercept, as well as the sample r2 and standard error of the estimate for the fit (in parentheses), are listed in each panel. Asterisks indicate slopes that were significantly different from zero.

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