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. 2009 Nov 14;40(4):485–493. doi: 10.1007/s10803-009-0892-3

Table 2.

Factor analysis of standard scores (Z-transforms)

Test Factor 1 Factor 2
Comprehension
 PPVT-III .09 .87
 DTLA-4 word opposites .30 .76
 DTLA-2 oral directions .05 .86
 GORT-4 comprehension .25 .74
Decoding
 WRMT-R word attack .84 .14
 SORT-R .90 .21
 GORT-4 rate .83 .20
 GORT-4 accuracy .87 .22
 LAC-3 .33 .50

Factor 1 and factor 2 account for 70% of total scores. Z-scores were derived from standard scores across all diagnostic groups. Rotation: Varimax with Kaiser Normalization