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. Author manuscript; available in PMC: 2013 Nov 20.
Published in final edited form as: J Educ Psychol. 2012 Feb;104(1):10.1037/a0025323. doi: 10.1037/a0025323

Table 5.

Transition Probabilities for the Movers and Stayers

Grade 2 Latent Classes

Variable NR RD-W RD-C RD-CW Proportion of Sample

Movers .71 .09 .00 .20 .98
Stayers .00 .00 .00 1.00 .02

Results for Movers
Grade 2 (rows) by Grade 4 (column)
NR .77 .08 .15 .00
RD-W .00 .79 .00 .21
RD-C .00 .00 .00 .00
RD-CW .07 .22 .06 .65

Grade 4 (rows) by Grade 8 (column)
NR .91 .00 .09 .00
RD-W .06 .73 .00 .21
RD-C .07 .00 .75 .19
RD-CW .00 .20 .00 .80

Grade 8 (rows) by Grade 10 (column)
NR .99 .00 .01 .00
RD-W .00 .91 .00 .09
RD-C .00 .00 .95 .05
RD-CW .00 .06 .00 .94

Fit Indices
χLR2(1,048,172, N=493) = 726.01, p > .05
BIC = 9062.36

Note. NR=normal readers; RD-W = reading disabled word reading only; RD-C = reading disabled comprehension only; RD-CW = reading disabled in both comprehension and word reading; BIC = Bayesian information criterion.