Table 4 Comparison of eye-tracking indicators for Sparkling Lake landscape evaluation in different years

From: Impact of post-earthquake restoration on aesthetic preferences and heritage value of Sparkling Lake in Jiuzhaigou

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

  1. Mean ± standard error.