Table 1 Experimental statistical table.

From: Experimental study on the synchronization mechanism and trigger characteristic density of vertical evacuation in crowds

Experiment

ρ (/pedestrian)

Volunteer ID

Experiment 1

9 (1)

1–9

Experiment 2

9 (2)

10–18

Experiment 3

9 (3)

19–27

Experiment 4

14 (1)

28–41

Experiment 5

14 (2)

42–55

Experiment 6

14 (3)

42–55

Experiment 7

20 (1)

56–60、1–15

Experiment 8

20 (2)

16–35

Experiment 9

20 (3)

36–55