Table 1 Objectives of student surveys

S1

Week 1

Students' prior experiences with e-learning (platforms), e-learning preferences & habits, and preferences of different learning modes during COVID-19

S2

Week 3

Students' e-learning habits & preferences, perceived effectiveness of different e-learning activities, preferences of different learning modes after the resumption of in-person learning

S3

Week 7

Students' e-learning habits & preferences, perceived effectiveness of different e-learning activities & different learning modes, e-learning challenges encountered

S4

Week 9

Students' e-learning habits & preferences, perceived effectiveness of e-learning (by disciplinary domain) & different e-learning activities, preferences of different learning modes after the resumption of in-person learning