Table 4 Comparison of eye-tracking indicators for Sparkling Lake landscape evaluation in different years
Classification of indicators | Indicator name (Unit) | Year | |||
|---|---|---|---|---|---|
2015 | 2017 | 2019 | 2021 | ||
Visit | Average duration of visit (s) | 3.03 ± 0.145a | 2.188 ± 0.131b | 1.889 ± 0.243b | 2.140 ± 0.254b |
Number of visits (n) | 5.98 ± 0.19b | 8.082 ± 0.322a | 8.646 ± 0.801a | 7.026 ± 0.493ab | |
Fixation | Average duration of fixation (s) | 0.549 ± 0.029a | 0.443 ± 0.012b | 0.447 ± 0.024b | 0.432 ± 0.022b |
Number of fixation (n) | 26.698 ±± 0.347b | 29.039 ± 0.439a | 29.105 ± 0.697a | 28.702 ± 0.694a | |
Duration of first fixation (s) | 0.396 ± 0.027a | 0.298 ± 0.009b | 0.325 ± 0.027ab | 0.332 ± 0.024ab | |
Glance and saccade | Average duration of glances (s) | 4.307 ± 0.399a | 2.302 ± 0.107b | 2.225 ± 0.366b | 2.388 ± 0.427b |
Number of glances (n) | 6.125 ± 0.334a | 8.092 ± 0.297ab | 9.144 ± 0.954b | 9.275 ± 1.258b | |
Number of saccades (n) | 12.613 ± 0.24ab | 13.649 ± 0.132a | 12.308 ± 0.597b | 11.58 ± 0.314b | |