Table 5.

Hierarchical linear regression analysis results of assignment score.

	Factors	Adjusted R2	ΔR2	ΔF	SE	β	t
Learner characteristics	Interests	0.013	0.059	1.281	4.758	−0.034	−0.221
	Prior GPA				0.115	−0.020	−0.146
Pre-class behaviors	Post length	0.277	0.285	8.484***	0.010	−0.193	−1.026
	Post quality				0.260	0.686	3.556***
In-class behaviors	Interaction behaviors	0.239	0.001	0.027	0.333	−0.032	−0.220
	Irrelevant behaviors				1.869	0.009	0.069

Note: *p < 0.05, ***p < 0.001; SE: Standard Error.