Table 8.

Significant different within pretest and post test

(I) coding	(J) coding	Mean Difference (I-J)	Std. Error	Sig.	Remark
Pretest Control	Pretest Experimental	−3.000	1.164	0.089	NS
	Posttest Control	−7.171*	1.164	0.000	S
	Posttest Experimental	−12.371*	1.164	0.000	S
Pretest Experimental	Pretest Control	3.000	1.164	0.089	NS
	Posttest Control	−4.171*	1.164	0.006	S
	Posttest Experimental	−9.371*	1.164	0.000	S
Posttest Control	Pretest Control	7.171*	1.164	0.000	S
	Pretest Experimental	4.171*	1.164	0.006	S
	Posttest Experimental	−5.200*	1.164	0.000	S
Posttest Experimental	Pretest Control	12.371*	1.164	0.000	S
	Pretest Experimental	9.371*	1.164	0.000	S
	Posttest Control	5.200*	1.164	0.000	S