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. Author manuscript; available in PMC: 2014 Oct 30.
Published in final edited form as: Am J Speech Lang Pathol. 2014 Aug;23(3):437–447. doi: 10.1044/2014_AJSLP-13-0116

Table 2. Comparison of recovered group with matched comparison group on five language and literacy outcomes measures.

Measure (n pairs) Recovered M (SD) Matched M (SD) t (df) p d Recovered (% low) Matched (% low) p
Oral language at age 7 (115) −0.05 (0.84) .00 (1.05) −0.48 (114) .63 0.05 10.4 9.6 .32
Word decoding at age 7 (114) 0.04 (0.91) .00 (0.89) 0.29 (113) .78 0.04 6.1 8.8 .52
Receptive language at age 12 (51) −0.06 (1.04) −0.01 (0.92) −0.24 (50) .82 0.05 13.7 11.8 .39
Word decoding at age 12 (49) 0.10 (0.90) −0.21 (0.95) 1.83 (48) .07 0.28 6.1 16.3 .58
Reading comprehension at age 12 (69) 0.14 (0.94) −0.01 (1.10) 0.95 (68) .35 0.15 7.2 14.5 .56

Note. Analyses in this table are based on paired-sample t tests, or Fisher’s exact tests, based on one randomly chosen twin per pair.