Trees, nets and teaching

By Gordon Rugg

Much of the debate on education uses diagrams to illustrate points being discussed.

Many of those diagrams are based on informal semantics.

The result is often chaos.

In this article, I’ll use the knowledge pyramid as an example of how informal semantics can produce confusion rather than clarity.

banner

Continue reading

Just the facts

By Gordon Rugg

There’s a popular belief that it’s possible just to “teach the facts” without getting into needless complicated theory.

It’s a nice, comforting idea. Unfortunately, not all nice and comforting ideas are true, and this particular idea is one that just doesn’t stand up very well to the facts.

This article is about the problems that you encounter when you apply this idea to reality. It starts with an apparently clear, simple example of a “fact”; the date when the American Civil War ended.

Shenandoah_destroying_whale_ships_

https://en.wikipedia.org/wiki/File:Shenandoah_destroying_whale_ships_.jpg

 

Continue reading