Negative ranks

Positive ranks

Variables

Mean rank

Sum of ranks

mean rank

Sum of ranks

z

p

Intelligence (CMMS)

8.940

80.500

10.950

109.500

.584

.559

Memory (MTP)

11.060

188.000

16.000

112.000

1.103

.270

Receptive vocabulary (PPVT)

5.600

28.000

15.380

323.000

3.748

.000^*

RAN objects―time

27.190

843.000

19.590

333.000

2.616

.009^*

RAN objects―error

19.480

467.500

18.120

235.000

1.756

.079

Phonological awareness (PAT-OP)

9.43

66.00

10.33

124.00

1.172

.241