
298 ◾ Jiangang Du
17.5.3 Experiment 3
17.5.3.1 Purpose
e purpose of Experiment 3 was to determine the dierence between involved
customers’ and bystanders’ subjective assessment of dierent levels of objective
probability of harm, due to the mediation role of panic. It tests H
7a
, H
7b
, H
8a
,
and H
8b
.
0.5
0.4
0.3
0.2
Familiar
Not familiar
Figure 17.7 Perceived probability of noninvolved customers in different
familiarity.
5
4
3
Familiar
Not familiar
Figure 17.6 Different levels of panic of noninvolved customers in different
familiarity.