Intervention for Dyslexia - The British Dyslexia Association
Intervention for Dyslexia - The British Dyslexia Association
Intervention for Dyslexia - The British Dyslexia Association
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Table 6 (continued). Summary of results of UK intervention studies using structured systematic phonological teaching programmes<br />
Programme Reference Year<br />
Group(s)<br />
THRASS Brooks (2007)<br />
p.233<br />
Ns Taught by<br />
Reading Accuracy Reading<br />
Comprehension<br />
Spelling<br />
Effect size Ratio gain Effect size Ratio gain Effect size Ratio gain<br />
Y2–5 84 Teachers/Teaching<br />
assistants 2.3<br />
Toe by Toe MacKay (2006) Y7 91 Teachers/Teaching<br />
assistants 2.3<br />
Toe by Toe Brooks (2007)<br />
p.236<br />
Number of<br />
studies<br />
Primary 21 Teachers/Teaching<br />
assistants 2.7<br />
11 20 2 12 6 15<br />
Total Ns 2435 745 1635 94 867 1635 1513<br />
Simple<br />
average<br />
Weighted<br />
average<br />
76.09<br />
0.56 4.44 0.91 4.13 0.59 2.75<br />
0.48 3.22 0.92 4.33 0.54 2.58<br />
<strong>Intervention</strong> <strong>for</strong> <strong>Dyslexia</strong> 69