TABLE 1.

Literacy measures: descriptive statistics of raw- and z-scores.

	Raw scores		z-scores
	M	SD	M	SD	Min	Max
Reading speed (syll/sec)	2.95	0.76	−0.17	0.93	−2.28	2.42
Reading accuracy (errors)	3.48	3.46	−0.23	0.54	−6.36	1.37
Spelling accuracy (errors)	4.23	4.22	0.33	0.90	−2.93	1.41
Comprehension (correct answers)	7.18	1.75	0.45	0.80	−2.38	1.75