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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Res Dev Disabil. 2013 Dec 18;35(2):429–438. doi: 10.1016/j.ridd.2013.11.016

Figure 1.

Figure 1

Growth rate of PPVT-4 GSV over Leiter-R GSV.

Note. GSVs on the PPVT-4 and GSVs on the Leiter-R are not on the same scale; therefore, the individual GSVs for each measure are not directly comparable.