A class can be seen as forming a larger unit of mind, a unit that becomes its own context, and this context can become the scene not only for an error-correcting but also a growth-producing process. Perception is always a comparison between at least two messages, and what is perceived is the difference between them. This principle is critical to…

Preparing students to be both constructors and consumers of visual information will be an important responsibility for all teachers. This will mean giving learners the tools to go beyond what is merely visual to the deeper, human meanings that lie beneath. One important way that educators can prepare students to be wise visual consumers is to help…