Preparing Vocational High School Students’ 21^st Century Skills Needed through Pair Work Strategy and YouTube Channel Integration

Table 3

Results of Pair Sample t-test in Experimental Group.

Experimental group	Pretest	Post-test	Paired Sample t-test
Mean score	69.41	86.16	−16.750
SD	5.988	4.444	6.107
Std error mean			1.080
t-value			−15.516
Sig. (2-Tailed)			0.000