Before revision: A recent data visualization literacy study shows that most people cannot read networks that use hierarchical cluster representations such as "super-noding" and "edge bundling." Other studies that compare standard node-link representations with map-like visualizations show that map-like visualizations are superior in terms of task performance, memorization and engagement  .
After revision: Human subject studies that map-like visualizations show that map-like visualizations are superior in terms of task performance, memorization and engagement .