Fig. 7
From: The irreplaceable role of medical massive open online courses in China during the COVID-19 pandemic
Correlation analyses of online interaction and the number of passing examinations before and after 2020. A The correlation between the number of students participating in online discussions and the number of passing final examinations before 2020. B The correlation between the number of students participating in online discussions and the number of passing final examinations since 2020. C The correlation between the records of questions/answers and the number of students passing final examinations before 2020. D The correlation between the records of questions/answers and the number of students passing final examinations since 2020