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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