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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Stat Methods Med Res. 2014 May 11;25(6):2925–2938. doi: 10.1177/0962280214534588

Table 2.

Group specific solutions to equation (5) that determine the shape of each curve in Figure 3.

Word List Age α̂ β̂ γ̂
PBK < 2 84.40 1.77 0.59
PBK 2–4 78.05 2.11 0.40
CNC < 2 82.05 21.32 0.92
CNC 2–4 75.28 6.93 0.45