TABLE 2.

Means and standard deviation of students’ project management skills in treatment group and control group.

Dimension	Treatment group (N = 18)	Control group (N = 18)	t	p	df	Effect size
	M (SD)	M (SD)
Self-evaluation	92.06 (2.127)	87.61 (1.819)	6.736	<0.001	34	0.419
Peer evaluation	88.33 (2.086)	83.28 (1.638)	8.086	<0.001	34	0.485
Teacher evaluation	89.06 (2.287)	83.72 (2.109)	7.273	<0.001	34	0.446
Product score	89.81 (2.678)	84.87 (2.685)	9.581	<0.001	106	0.549