In these stages, the shape and the decoration of the earthen vessel gradually became more sophisticated than the shamanistic, too decorative ones in the middle stage, and this suggests that the vessel-maker's sense of beauty changed.
器形や装飾も中期の呪術的で装飾過剰なものから次第に洗練されたものになり、製作者の美意識の変化がうかがわれる。