What are the determinants of personal space in the limited space like a room in our house? This article discusses the question on the study of personal space in the limited space. The experiment were executed in order to understand the relationship between a scale of space and characteristic of personal space from the viewpoint of posture and depth of space. The results of the experiments were summarized as follows: 1) When the point of view became higher, the size of the personal space became larger, 2) When the depth of the room became larger, the size of the personal space became larger.
