Table 4.

Two-factor ANOVA for pre-test of SA and teaching methods.

Source	Type III sum of squares	df	Mean square	F	Sig	Partial eta squared
Corrected model	3,039.659a	5	607.932	7.068	0.000	0.202
Intercept	205,142.148	1	205,142.148	2,385.208	0.000	0.945
Group	1,131.057	2	565.529	6.575	0.002	0.086
SA group	1,719.016	1	1,719.016	19.987	0.000	0.125
Group * SA group	76.311	2	38.155	0.444	0.643	0.006
Error	220,318.000	140	86.006
Total	15,080.493	145

^aR Squared = 0.202 (Adjusted R Squared = 0.173).