[Retracted] Construction and Empirical Study of Learner Portrait in Online General Education Course

Table 1

Online learning engagement model.

Dimension	Secondary dimension	Measurements
Participation	Video learning time	Video regurgitation ratio
	Resource accessing quantity	Number of resource views
Concentration	Task completion	Task completion percentage
	Quality of work	Operation module usage frequency
	Chapter test	Number of completed jobs
	Answer situation	Average number of questions
Interaction	Interaction with teachers	Number of topics discussed
	Interaction with students	Response times