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Figure 2: Mean ratings and standard errors for the park (P), square (S), and bridge (B). (a) Loudness, (b) Comfort, (c) Stressfulness, (d) Acceptance. LAeq values in dB(A) are indicated in brackets. Dotted lines: threshold values for attribute evaluation. Diamonds: laboratory without visual context (NC); Circles: laboratory with visual context (VC); Triangles: on site (OS)

Figure 2: Mean ratings and standard errors for the park (P), square (S), and bridge (B). (a) Loudness, (b) Comfort, (c) Stressfulness, (d) Acceptance. <i>L</i><sub>Aeq</sub> values in dB(A) are indicated in brackets. <i>Dotted lines:</i> threshold values for attribute evaluation. <i>Diamonds:</i> laboratory without visual context (NC); <i>Circles:</i> laboratory with visual context (VC); <i>Triangles:</i> on site (OS)