Table 1.

Initial parameter.

Parameter	Value
Time	280
Number of working groups	5
Number of workers per working group	20
Actual risk	Triangular (0.1,0.5,0.9)
Workers’ initial attitude	U(0.4,0.9)
Workers’ initial risk understanding coefficient	U(0.6,1.2)
Workers’ initial safety awareness	0.8
Workers’ initial safety knowledge	0.8
Workers’ social identity	0.5
Weight of coworker norm	0.2
Weight of foreman norm	0.45
Weight of manager norm	0.35
The frequency at which the foreman gives workers positive feedback	0.1
The frequency at which the foreman gives workers negative feedback	0.6
The frequency at which the manager gives workers positive feedback	0.1
The frequency at which the manager gives workers negative feedback	0.6
The frequency of manager safety training	0.5
Frequency of communication between workers and coworkers	0.3
Frequency of communication between workers and foreman	0.3
The improvement in worker safety knowledge by manager safety training	0.1
The effect of manager safety training on workers’ safety awareness	0.2
The effect of communicating with coworkers to improve workers’ safety awareness	0.01
The effect of communicating with foreman to improve workers’ safety awareness	0.2