WIAT3 Tech Manual.pdf - CAMPBELA

Table of Contents ixTable H.5 Critical Values and Base Rates by Age: Differences Between Subtest StandardScores Required for Statistical Significance and Differences Obtained by VariousPercentages of the Age-Based Standardization Sample . . . . . . . . . . . . . . . . . . . . . . . . . . .514Table I.1 Intercorrelations of the WIAT–III Subtest and Composite Standard Scores by Grade . . .524Table J.1 Correlations Between WIAT–III Subtest and Composite Standard Scores andAbility Scores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540FiguresFigure 2.1 Standardization Sampling Sites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17Figure 2.2 Demographic Characteristics of the Grade-Based Normative Sampleand the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23Figure 2.3 Demographic Characteristics of the Age-Based Normative Sampleand the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23Figure 3.1 Demographic Characteristics of the WIAT–III and WPPSI–III ValiditySample and the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45Figure 3.2 Demographic Characteristics of the WIAT–III and WISC–IV ValiditySample and the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Figure 3.3 Demographic Characteristics of the WIAT–III and WAIS–IV ValiditySample and the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Figure 3.4 Demographic Characteristics of the WIAT–III and WNV ValiditySample and the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47Figure 3.5 Demographic Characteristics of the WIAT–III and DAS–II ValiditySample and the U.S. Population . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47Copyright © 2009 NCS Pearson, Inc. Normative data copyright © 2009 NCS Pearson, Inc. All rights reserved.