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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Ann Dyslexia. 2010 Jan 6;60(1):40–56. doi: 10.1007/s11881-009-0032-y

Table 1.

Pretest, Immediate Posttest (Post) and One-Year Follow-up (Post-1) Scores for students in the intervention and control groups

LIPS (N=35) RWT (N=34) Control (N=39)
Measure Pre Post Post-1 Pre Post Post-1 Pre Post Post-1
Word Accuracy/fluency
Word ident.* 87.2 110.6 106.8 85.6 107.0 103.8 100.6 99.8
 SD 9.3 12.2 12.8 9.6 12.4 11.0 15.6 14.8
Word Efficiency 2.9 26.9 44.3 2.7 23.5 42.7 21.0 38.6
 SD 2.5 11.1 12.0 2.5 9.3 10.9 11.4 14.4
Phonemic Decoding Accuracy/fluency
Word attack* 73.6 113.7 112.5 76.4 108.3 104.4 99.5 99.6
 SD 7.2 12.1 15.7 10.2 12.2 11.9 15.0 20.4
Nonword Effic. 0.6 16.8 26.1 0.6 12.6 22.6 10.6 20.2
 SD 0.6 7.6 9.0 0.7 7.0 8.4 7.7 12.8
Text Reading Accuracy/fluency
Gray Accuracy 97.4 96.8 92.4
 SD 12.8 11.3 14.2
Gray Rate 97.2 94.7 92.2
 SD 10.7 9.5 14.7
Reading Comprehension
Pass. Compreh.* 102.2 98.9 100.2 96.7 95.4 93.7
 SD 10.0 8.5 9.6 7.6 14.4 12.6
Gray Comprehension 99.2 96.4 95.6
 SD 14.5 11.8 13.8
Phonological Awareness
Blend. Words 8.6 20.6 22.7 8.4 22.0 22.0 18.2 21.6
 SD 4.2 4.5 4.2 4.6 4.0 4.0 5.4 5.4
Elision 4.6 15.3 17.4 5.1 13.8 16.5 4.8 12.5 15.7
 SD 2.1 4.2 4.8 2.3 4.2 4.4 2.1 4.6 4.4
Segment. Words 2.8 15.6 16.1 3.4 14.6 14.6 11.7 14.2
 SD 3.7 3.7 3.9 4.1 4.6 4.6 4.5 3.5
Rapid Naming
Naming Digits .9 01.3 1.7 0.9 1.4 01.7 .8 1.2 1.6
 SD .3 0.3 0.4 .2 0.3 0.3 .2 0.3 0.4
Naming Letters 01.2 01.7 01.3 01.7 01.2 01.5
 SD 0.3 0.3 0.3 0.3 0.3 0.3
Spelling
Developmental 25.1 25.0 23.4
 SD 2.7 2.6 3.2
WRAT spelling 37.6 36.2 34.9
 SD 4.4 3.2 4.6
Est. Verbal Ability*
Vocabulary 96.1 96.0 95.9
 SD 12.5 11.2 11.4
Probability of Reading Problems
Letter sound knowledge 10.9 9.5 10.2
 SD 5.6 5.9 5.0
Probability score** .70 .70 0.71
 SD .22 .22 0.18
*

Standard Scores based on a Mean of 100 and SD of 15.

**

higher scores indicate greater probability of reading problems