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. 2007 Nov;88(3):319–337. doi: 10.1901/jeab.2007.88-319

Table 4.

Mean Weibull parameter values and standard deviations as a function of age group and condition.

Condition Shift
Scale
Shape
M SD M SD M SD
Same
Young 449.62 35.16 247.59 72.35 1.160 0.139
Older 606.29 68.88 379.10 119.16 1.197 0.160
Different
Young 512.68 37.96 319.89 116.39 1.254 0.175
Older 729.38 151.35 466.22 137.40 1.371 0.299