Group

Mean

Standard Deviation

t

Sig. (2 tailed)

Pre

Post

Pre

Post

Intervention

9.44

7.34

5.518

4.876

6.599

0.000*

Control 1

10.57

9.45

6.015

5.839

2.744

0.004*

Control 2

8.72

8.13

4.943

5.754

1.723

0.086