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January 28, 2021
In the fall of 2019, months before the coronavirus pandemic hit, an average Cornell student interacted with about 530 peers in classrooms each week. Through courses alone, more than 90% of students were linked by three or fewer degrees of separation.
A year later, in the midst of the pandemic, the university’s “small world” enrollment network looked very different – smaller, less connected and more fragmented, according to a new analysis by Cornell sociologists.
Less than half of all enrolled students took an in-person class in the fall of 2020, they found. Of those, the average student saw just 65 others in classrooms each week. The share of students connected indirectly through in-person classes dropped to 55%. And ties among students were more often with others in the same field of study. ....

Kim Weeden , Ben Cornwell , Professor Of The Social Sciences , Cornell Center , University Course Enrollment Networks , College Of Arts , Jan Rock Zubrow , Social Sciences , Barum Park , கிம் களை , பென் கார்ன்வெல் , ப்ரொஃபெஸர் ஆஃப் தி சமூக அறிவியல் , கார்னெல் மையம் , பல்கலைக்கழகம் நிச்சயமாக சேர்க்கை நெட்வொர்க்குகள் , கல்லூரி ஆஃப் கலைகள் , சமூக அறிவியல் ,