Table 11 Comparison of averages between students with and without spelling errors.

From: CFD-14: detecting literacy and dyslexia risks in early and primary education

 

Without spelling mistakes (n = 657)

With spelling mistakes (n = 186)

Mean

1.14

3.63

Sd

1.816

3.167

Average Range

374.94

588.22

z U of M-W

−11,147 (0.000)

Cohen effect

0.965

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