Table 2.

Independent variables

Indicator of engagement behavior	Lesson type
	Initial	Deadline-driven	No-deadline
Frequency	IV1: Frequency of engagement with initial assessment	IV2: Frequency of engagement with deadline-driven assessments	IV3: Frequency of engagement with non-deadline assessments
Immediacy	IV4: Immediacy of engagement with initial assessment	IV5: Immediacy of engagement with deadline-driven assessments	IV6: Immediacy of engagement with no-deadline assessments
Regularity	N/A	IV7: Regularity of engagement with deadline-driven assessments	IV8: Regularity of engagement with no-deadline assessments