The aim of the study is to investigate relationship between Spatial Cognition and space characteristics in space in well-hole style. We also try to clarify the psychological evaluation. The present study mainly analyzes sketch maps drawn by subjects on paper with grids, each of which stands for scale(it is called grid maps). Subjects are also asked to evaluate some psychological items in questionnaires.
Analysis involved comparing the grid maps, concentrating on width, length or height. The main conclusion is as follows. Firstly, it is found that height tends to be overestimated. Secondly, a narrow space in plan or in section, tends to be recognized as space in propotion of square. Lastly, the relationship between psychological evaluation and Spatial Cognition has also been clarified.