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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: J Educ Psychol. 2010 Aug 1;102(3):635–651. doi: 10.1037/a0019319

Table 4.

WIAT 2 Correlations at Fifth and Seventh Grade Among Measures Used as Indicators of Factorsa, b, c, d in the CFA for Older Cohort

1 2 3 4 5 6 7 8 9 Mean SD
1) Sentence Compa −.01 .07 .05 .08 .14 .16 .06 .06 9.56 0.63
2) Rec/Exp Vocaba .26 .13 .29 .19 .48 .01 .26 .28 24.71 3.56
3) Visual Pass Retellb .17 .13 .09 .49 .21 .26 .26 .27 19.82 4.88
4) Oral Word Fluencyb .00 .43 .13 .16 .31 31 .13 .21 31.41 7.40
5) Giving Directionsb .09 .15 .29 .11 .22 .13 .11 .39 16.91 3.34
6) Reading Compc .27 .65 .24 .36 .14 .19 .37 .35 115.51 7.25
7) Writ Word Fluencyd .02 .19 .01 .15 .03 .24 .30 .32 12.40 3.95
8) Sentence Combined .22 .39 .17 .26 .16 .32 .26 .45 4.88 2.07
9) Paragraph Writingd .23 .36 .22 .17 .23 .37 .19 .56 17.86 4.00
 Mean 9.14 22.14 17.86 27.74 14.60 116.27 9.08 6.55 15.54
 SD 0.92 3.85 4.74 5.97 3.44 9.29 3.74 2.38 3.81

Note: Correlations, means and standard deviations (SD) for 5th graders (N=103) are below diagonal (r=.20 or greater, p < .05). Correlations, means and standard deviations (SD) for 7th graders (N=98) are above diagonal (r=.20 or greater, p < .05). See Methods for complete names of tasks in each WIAT II subtest. Raw scores for tasks were entered as indicators of latent variables.

a

Listening Comprehension Factor

b

Oral Expression Factor

c

Reading Comprehension Factor

d

Written Expression Factor