Category

Variable

B

SE

t

p

R²

Expressive vocabulary

(Constant)

7.05

4.13

1.71

0.098

0.83

vSTM

3.10

0.26

12.12

0.000

(Constant)

−13.67

6.50

−2.10

0.044

0.88

vSTM

2.15

0.33

6.47

0.000

Non verbal IQ

0.44

0.12

3.76

0.001

Syntactic production

(Constant)

0.23

2.67

0.09

0.932

0.34

vSTM

0.65

0.17

3.96

0.000

Receptive vocabulary

(Constant)

−3.83

2.13

−180

0.097

0.45

Non verbal IQ

0.16

0.05

3.14

0.008