Abstract
The aim of this paper is to analyze KANSEI evaluation of diagram and children's developmental Stage. We can find several studies of KANSEI evaluation on adult testees, but very few studies on child testees. We will try to make it clear that a relation between a developmental stage of children and a formation of children's impression. The summary of the result is the following. 1) The distribution situation to each dimension of the impression word was different on developmental stages. We can understand the result of the case of elementary school fifth-year student is in the situation of unspecialization compared with other academic years especially. 2) The image score, except a fifthyear student, shows the trend similar to the case of a grown-up. 3) The clearness of the evaluation to the impression word has a tendency to become evident with development stage advancing.