Group

M

SD

n

Experimental group

CK_Pre

−0.387

0.579

141

CK_Post

0.484

0.898

141

CK_Follow

0.010

0.700

141

Control group

CK_Pre

−0.410

0.579

117

CK_Post

0.452

0.892

117

CK_Follow

−0.006

0.885

117