Research on Learning Evaluation of Online General Education Course Based on BP Neural Network

Table 4

Measurement model’s validity test results.

Latent variable	Observed variable	Factor load	KMO	Approximate Chi-square and	Eigenvalue	Cumulative variance explained rate (%)
Curriculum content quality	Appropriateness	0.874	0.892	874.048 ()	4.329	72.148
	Practicality	0.833
	Cutting edge	0.840
	Thinking	0.842
	Systematicness	0.826
	Fun	0.819
Online learning experience	Social interaction	0.838	0.811	617.918 ()	3.321	71.424
	Input and output	0.784
	Learning support and service	0.803
	Evaluation methods	0.816
	Teaching methods	0.811
Online learning investment	Behavioral investment	0.846	0.844	595.826 ()	3.471	69.772
	Learning motivation	0.774
	Cognitive investment	0.848
	Emotional investment	0.893
Online learning performance	Learning satisfaction	0.927	0.879	727.379 ()	3.707	74.136
	Self-efficacy	0.894
	Knowledge goals	0.891
	Ability goals	0.866
	Emotional goals	0.917