What are the objective factors that affect passengers' perception?

The intensity of the stimulus comes from other people's hints.

1. Intensity of stimulus: The intensity of stimulus is an important factor affecting passengers' perception. During travel, strong stimuli are more likely to attract passengers' attention, such as high noise and high brightness.

2. Tips from others: Tips and influences from others will also have an impact on passengers' perception. For example, the tour guide's explanation and other tourists' comments will affect the tourists' perception and cognition of tourist attractions.