Application of Sustainable Education Innovation in the Integrated Teaching of Theory and Practice Adopted in the Auto Chassis Course

Table 7

Paired-samples t-tests for the difference in mean perceptions between formal test and posttest in (N = 21).

	Paired differences					df	t	Sig. (2-tailed)
	Mean	Std. deviation	Std. error mean	95% confidence interval of the difference
				Lower	Upper
Posttest—formal test	0.60124	1.15869	0.25285	0.07381	1.12867	20	2.378	0.027