Fostering Achievement of Low-, Average-, and High-Achievers Students in Biology through Structured Cooperative Learning (STAD Method)

Table 6

ANCOVA of average achiever students.

Tests of between-subjects effects
Source	Type III sum of squares	df	Mean square	F	Sig.
Corrected model	1825.831^a	2	912.915	50.364	0.001
Intercept	764.206	1	764.206	42.160	0.001
Pretotal	1025.831	1	1025.831	56.593	0.001
Group	591.557	1	591.557	32.635	0.001
Error	525.669	29	18.127
Total	96964.000	32
Corrected total	2351.500	31

^aR squared = 0.776 (adjusted R squared = 0.761).