Table 4 Description of features for calculating engagement
Feature | Description | High (n = 78) | Low (n = 86) |
|---|---|---|---|
Total event | Total number of events | 84.1 (101.66) | 109.37 (88.03) |
Session | Number of reading sessions by the student | 11.56 (11.41) | 17.5 (12.51) |
Time | Total time spent on the BookRoll system in minutes | 2183.06 (7667.8) | 3490.37 (12,305.38) |
Unique Day | Number of different days that student use the system | 2.54 (1.43) | 2.89 (1.28) |
Long event | Number of events longer than 3Â s | 14.69 (19.44) | 15.41 (12.86) |
Short event | Number of events less than or equal to 3Â s | 69.4 (86.88) | 93.95 (77.58) |
Next | Number of Next events | 46.85 (52.69) | 59.89 (45.53) |
Previous | Number of Previous events | 20.45 (34.99) | 27.7 (32.45) |
Open | Number of times that student open the system | 3.09 (2.19) | 3.33 (1.91) |
Jump | Number of Jump events | 0.48 (1.27) | 0.66 (1.54) |
Red marker | Number of red markers added by the student | 1.01 (5.68) | 0.13 (0.57) |
Yellow marker | Number of yellow markers added by the student | 0.06 (0.31) | 0.02 (0.22) |
Memo | Number of memos added by the student | 0.14 (0.72) | 0.07 (0.4) |