Table 2.

Characteristics of the four groups of participants regarding their IQ, reading and spelling skills

	Dyslexic group			Control group
	M(SD)	Range	z score	M(SD)	Range	z score
Children (n = 20)
	n = 10			n = 10
IQ (Standard score)	113.9(10.0)	98–122	–	111.0 (8.0)	100–130
Word readinga	n = 10			n = 10
Accuracy (/40)	34.3(6.0)	18–39	−7.0e	39.4(.08)	38–40	−0.05
Time (s)	73.4(48.2)	29–202	−3.7e	30.0(7.0)	20–48	0.60
Pseudoword readinga	n = 10			n = 10
Accuracy (/40)	28.8(6.3)	16–34	−3.9e	37.0(1.4)	34–39	−0.25
Time (s)	95.7(59.1)	43–245	−2.7e	53.3(8.2)	43–60	0.34
Adults (n = 22)
	n = 11			n = 11
IQ (standard score)	118.5(4.5)	115–131	–	125.2(4.4)	115–127
Word readingb		n = 11			n = 11
Accuracy (/40)	38.4(1.6)	35–40	−4.2e	39.8(.038)	39–40	−0.15
Time (s)	37.2(11.7)	23–66	−4.6e	23.3(3.98)	19–27	−0.46
Pseudoword readingb		n = 11			n = 11
Accuracy (/40)	34.(3.66)	28–40	−4.5e	39.0(.085)	37–40	0.04
Time (s)	63.0(16.4)	49–110	−7.8e	39.0(5.36)	32–50	−1.2
Spelling aloudc	n = 11			n = 11
Accuracy (/15)	9.7(2.0)	8–12	−2.12d	14.45(0.049)	14–15	0.0

n = number of participants that took part in the task.

^a z‐scores computed based on the PROLEC‐R age‐matched normative data.

^b z‐scores computed based on 46 skilled reader adults on the PROLEC‐R reading lists.

^c t _modified statistics computed based on the mean performance of the control group.

^d P < 0.05.

^e P < 0.01.