[Retracted] Construction of Knowledge Graph English Online Homework Evaluation System Based on Multimodal Neural Network Feature Extraction

Table 2

Paired sample test for homework effort.

	Standard deviation		t	95% confidence interval for difference	df
Initiative (front)	0.95	0.002	−3.64	(−1.03, −0.22)	50
Initiative (post)
Concentration (front)	1.04	0.117	−1.57	(−0.83, −0.011)	50
Concentration (post)