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Table 2 Clustering results of students’ jump back records

From: Exploring jump back behavior patterns and reasons in e-book system

Type Item Description C1 C2 C3
Preparation # of Jump Back Total number of jump back behaviors (in preparation) 325.7 48.3 119.3
Average Jump Span Average pages of jump span (in preparation) 3.7 5.9 4.1
Average Stay Time(s) Average time of reading after the student jumped back to the page (in preparation) 33.6 62.7 42.5
In class # of Jump Back Total number of jump back behaviors (in class) 121.2 66.3 99.6
Average Jump Span Average pages of jump span (in class) 3.1 3.4 3.2
Average Stay Time(s) Average time of reading after the student jumped back to the page (in class) 48.7 54.2 47.3
Review # of Jump Back Total number of jump back behaviors (in review) 209.4 71.2 277.5
Average Jump Span Average pages of jump span (in review) 3.7 3.8 3.8
Average Stay Time(s) Average time of reading after the student jumped back to the page (in review) 38.9 40 37.7
  1. The largest value in each row is highlighted with bold text