Table 3.

Numbers of connections from problem solving to knowledge construction (PS2KC) and from knowledge construction to problem solving (KC2PS) in the first and last cases

	First case		Last case		Paired-sample t-tests
	Mean	Standard deviation	Mean	Standard deviation	t	df	p
PS2KC	2.33	1.50	3.83	1.79	2.67	28	0.045
KC2PS	2.17	1.17	2.50	1.39	0.79	28	0.465