Exploring Epistemological Trends in Students’ Understanding of Science from the Perspective of Large-Scale Studies

Table 4

Mean of percentage of correctness on two PISA items (213 Q1 and 213 Q2) in three countries and in OECD during 2000–2006.

Item	Year	OECD	Den	Swe	Fin
	2000	40.30	43.20	35.90	53.80
213 Q1	2003	41.98	47.18	42.59	59.25
	2006	47.86	50.54	48.51	67.88
Diff		+7.56*	+7.34*	+12.61*	+14.08*
	2000	75.90	68.60	81.80	90.40
213 Q2	2003	76.22	72.36	80.37	91.66
	2006	79.37	75.91	83.99	94.93
Diff		+3.47*	+7.31*	—	+4.53*