VISUALIZATION EPSS -- Representaion

Non-ceremonial masks include those intended to be used for entertainment and protection in a variety of occupational environments.

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Examples of non-ceremonial masks include theatrical masks, diving masks, and the masks integral in space helmuts

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Still or Motion Photos

Masks

The key to providing good visual examples is to make sure that the essential characteristics of the type or category are evident, while also displaying some of the distinctive, individual traits that differentiate the object from other objects of the same type.

For instance, a mask that clearly shows eye and nose holes but that also has a distinctive shape or color will help learners see that it belongs to the class, "masks," while at the same time appreciating that it is just one of many possible masks.

It may be useful to show non-examples, too, but be sure they are clearly marked as non-examples. We tend to remember the visual itself without remembering that it was a non-example.

Still or motion drawings

Masks

Drawings may also be used to exemplify concepts. Be sure the drawings incorporate enough detail to show both categorical characteristics and individual distinctiveness. Use multiple examples and non-examples, clearly labeled and explained.