Role of Personality and Environmental Factors in Reaction of Schizofren and Normals against Size Constancy

In this study, the role of visual perception between normal and schizoprenic patients was investigated. According to DSM III R diagnosis criteria by personal arientation inventory, 30 normal and 30 schizophrenic patients were included in the study. Of the visual perception tests,the size constancy was performed on both groups.The decisions of the Size constancy of subjects were obtained by comparing five standart stimuli darwn on a white cartoon whose diameters were 8 cm2 and sixteen comparision stimuli that had the same content but different dimensions with standart stimulus. In this tudy. Two general hypothesis and related five sub-hypothesis were suggested. The size constancy of the subjects were solved by variance analysis and t test methods. As a result,it was seen that visual perception,distance and emotional factors between Normal and schiophrenic patiens were effective in the size constancy.