Types Of Dress Shapes. In psychology, shaping is a method of behavior training in which reinforcement is given for progressively closer approximations of the desired target behavior. It is a short and typically sleeveless dress that hangs . A, h, i, t, v, x, and y. A composite shape, also called a composite figure, is a geometric shape constructed from two or more geometric figures. These three types of dresses vary according to the length of the dress. The shift dress was a massive trend in the early 1960s and has a simple, boxy shape. Learn how to dress for your body shape once & for all!