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. Author manuscript; available in PMC: 2024 Oct 17.
Published in final edited form as: Am J Intellect Dev Disabil. 2020 Nov 1;125(6):475–480. doi: 10.1352/1944-7558-125.6.475

Figure 2. Within-subject change effect sizes in ability scores versus norm-referenced scores.

Figure 2.

GSV = growth scale value; VABS-3 = Vineland Adaptive Behavior Scales, 3rd edition; DAS-II = Differential Ability Scale, Second Edition. Panel A shows the standardized effect size for baseline to 6-month change among 29 individuals. Panel B shows the standardized effect size for baseline to 1-year change among 26 individuals. For both panels, a negative effect size reflects a decrease in score and a positive effect size reflects an increase.