Table 3 Descriptive statistics of different operation types and total system usage time for high and low performance groups
Operation name | Before assessment | During and after assessment | ||
|---|---|---|---|---|
High (n = 78) | Low (n = 86) | High (n = 78) | Low (n = 86) | |
OPEN | 1.39 (1.68) | 1.78 (1.56) | 1.70 (1.32) | 1.55 (1.10) |
CLOSE | 6.92 (9.52) | 10.56 (11.06) | 4.64 (4.13) | 6.94 (4.42) |
NEXT | 22.55 (41.12) | 31.95 (39.77) | 24.29 (25.18) | 27.93 (18.29) |
PREV | 11.19 (31.02) | 15.68 (30.71) | 9.25 (14.16) | 12.02 (10.70) |
PAGE_JUMP | 0.34 (1.07) | 0.48 (1.33) | 0.14 (0.63) | 0.17 (0.57) |
ADD BOOKMARK | 0.02 (0.14) | 0 (0) | 0.01 (0.10) | 0 (0) |
ADD MARKER | 0.39 (2.18) | 0.16 (0.76) | 0.68 (5.33) | 0 (0) |
ADD MEMO | 0.06 (0.35) | 0.07 (0.4) | 0.07 (0.63) | 0 (0) |
CHANGE MEMO | 0.01 (0.1) | 0 (0) | 0 (0) | 0 (0) |
DELETE BOOKMARK | 0.02 (0.14) | 0 (0) | 0.01 (0.10) | 0 (0) |
DELETE MARKER | 0.26 (1.42) | 0.01 (0.11) | 0.01 (0.10) | 0 (0) |
DELETE_MEMO | 0.01 (0.1) | 0 (0) | 0 (0) | 0 (0) |
Total Time | 100.99 (182.90) | 129.07 (164.82) | 2082.06 (7679.58) | 3361.30 (12,290.48) |