The SDQ

subscale

Experimental group

Control group

T-values

Pretest

(A)

N = 12

Posttest

(B)

N = 12

Pretest

(C)

N = 17

Posttest

(D)

N = 17

A

versus

C

C

versus

D

A

versus

B

B

versus

D

Prosocial behaviors

6.64

7.55

7.05

6.81

0.69

0.47

1.71*

1.72*

Hyperactivity

4.82

4.45

5.58

5.44

1.31

0.24

0.51

1.30

Conduct problems

3.81

2.18

4.23

4.06

1.01

0.58

2.98*

3.99**

Emotional symptoms

4.72

3.36

5.12

5.00

0.44

0.13

1.74*

1.75*

Peer problem

3.82

3.36

3.71

3.50

0.16

0.33

0.73

0.24