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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Psychol Rev. 2009 Jul;116(3):499–518. doi: 10.1037/a0016104

Figure 5.

Figure 5

Plot of the optimal 25-point design (circles) for discriminating between the power and exponential models. The dashed line represents the best-fitting geometric design, log10(ti) = 0.014 + (0.100)i, or equivalently, ti = 1.26ti-1 with t0 =1.03, i = 1,..., 25.