1.Doxey’s Irritation Index or Irridex (Index of tourist irritation)
The residents/ hosts in the destinations would modify attitudes to visitors over time
1.The level of euphoria
Enthusiastic by tourism development
Opportunities for locals and money flows
2.The level of apathy
Take tourists for commercial purpose
Formal contact with tourists
3.The level of irritation
Nearing the saturation point (cannot handle the numbers without the expansion of facilities)
4. The level of antagonism
Tourist as the source of problems
5.The final level
Serious impacts
Allow an overdevelopment and the environment to change