Negative ranks

Positive ranks

Variables

Mean rank

Sum of ranks

Mean rank

Sum of ranks

z

P

Intelligence (CMMS)

5.000

25.000

6.000

30.000

.255

.798

Memory (MTP)

5.330

32.000

6.800

34.000

.090

.929

Receptive vocabulary(PPVT)

9.640

67.500

6.560

52.500

.426

.670

RAN objects―time

11.860

130.500

3.750

22.500

2.557

.011^*

RAN objects―error

10.750

64.500

8.050

88.500

.569

.569

Phonological Awareness (PAT-OP)

3.50

7.000

5.43

38.000

1.849

.064