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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Psychol Aging. 2008 Jun;23(2):315–329. doi: 10.1037/0882-7974.23.2.315

Figure 7.

Figure 7

Box plot distributions for fit parameter values by age group. A: x-intercept for older adults (M = 0.259 ± 0.062 s, Mdn = 0.050 s) and young adults (M = 0.282 ± 0.047 s, Mdn = 0.321 s). B: Asymptote for older adults (M = 1.304 ± 0.127 dL, Mdn = 1.300 dL) and young adults (M = 1.769 ± 0.190 dL, Mdn = 1.685 dL). C: Rate for older adults (M = 1.543 ± 0.250 dL/s, Mdn = 1.143 dL/s) and young adults (MN = 2.276 ± 0.362 dL/s, Mdn = .832 dL/s). The horizontal lines in each box plot show median fit parameter values. Error bars represent standard errors. Asterisks represent outliers. O = older adults; Y = young adults; dL = discriminability measure.

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