A new study suggests that giving students pertinent visual information, such as a diagram or outline, at the start of a lesson will lead to better understanding of that lesson. The study, by Mark A.

"Long discredited as inadequate illustrations of thought processes more appropriately represented in algebraic or verbal terms, diagrams have enjoyed a renaissance across numerous disciplines--from ...

Diagrams represent a critical chapter within the history of the development of techniques of visualization, whether in philosophy, science, mathematics or the arts. Having been disparaged through much ...

In 1973, the statistician Francis Anscombe devised a fascinating demonstration showing why data should always be plotted before it is analyzed. The demonstration consisted of four data sets that had ...