Group

Pre test Post test

t

p

Difference (pre-post)

t††

p

M (SD)

M (SD)

Exp. (n = 17)

4.65 (1.73)

4.87 (1.55)

−0.914

0.375

−0.22 (0.10)

0.481

0.634

Con. (n = 13)

4.46 (1.51)

4.61 (1.23)

−0.407

0.691

−0.15 (1.36)