such as a drawing or a story. He then gave another subject this reproduction and asked him to copy it, and repeated this process several times. Figure 11.3 illustrates how a sage changes as people reproduce it. Bartlett found that distortions almost inevitably for low a pattern: They tend to change from ambiguous forms to more conventional one as subjects try to make them consistent with their preexisting schemas (see Chapter 2) assimilation and he noted that it often occurs as people engage in He called this process leveling, when they omit details to simplify the structure; or sharpening, when they exaggerate prominent details.