Research on crowding is in part motivated by concerns about overpopulation and limited resources. Definition of crowding Perception of too little space or too many people. Difference between density and crowding Distinction between the physical conditions and various psychological responses. Crowding is considered to be the psychological response.
Density is the physical condition.
Distinction is important because the same objective density may or may not be uncomfortable depending on the situation. High density doesn't always lead to crowding. However, even a dance floor and a football stadium can become crowded. This depends on the environment and the activities which are taking place. Competition for resources 3.