Fig 1.
Shenyang Expo Garden (forest) and Shenyang Middle Street (Promenade or Urban) in Shenyang City, Northeast China.
Fig 2.
The whole process of the layout of whole study from validation to analysis.
Table 1.
Summary of matching accuracy for validation studies on facial expressions.
Table 2.
Accuracy of eight facial expressions using FireFACE software and repeated Kruskal-Wallis tests on the difference from records in documented studies that are shown in Table 1.
Table 3.
P values from analysis of variance (ANOVA) of location (L), gender (G), age (A), and their interactions on ranked scores of neutral, happy, sad, angry, surprised, and disgusted expressions.
Fig 3.
Happy expression scores for men and women at different ages in forest and urban locations.
Scores have been transformed by ranking. Bars stand for standard errors. Different letters indicate significant difference according to Duncan test at 0.05 level.
Fig 4.
Expression scores for angry, surprised, and disgusted emotions in men and women in forest and urban locations.
Scores have been transformed by ranking. Bars stand for standard errors. Different letters indicate significant difference according to Duncan test at 0.05 level.
Fig 5.
Neutral and sad scores with variations by location (forest vs urban), gender (men vs women), and age (toddler, youth, middle, senior).
Scores have been transformed by ranking. Bars stand for standard errors. Different letters indicate significant difference according to Duncan test at 0.05 level.
Fig 6.
Eigenvalues of happy, sad, neutral, angry, disgusted, and surprised expression scores and positive response index (PRI) in the first two principle components.