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Thus requiring the television program to be judged by the same assessment methods as for the classroom lecture unfairly measures the potential value of the TV program. In this example, it may be better to use both methods: didactic teaching to teach understanding, then a documentary approach to apply that understanding. (Note that a television program could do both, but the classroom lecture could not.)

many media are better than one.

The use of different media also allows for more individualization and personalization of the learning, better suiting learners with different learning styles and needs.

technology on its own does not lead to the transfer of meaning.

This of course is what we do with technology in education. We try either to incorporate new technology into old formats, as with clickers and lecture capture, or we try to create the classroom in virtual space, as we do with learning management systems. What we are still developing but not yet clearly recognizing are formats, symbols systems and organizational structures that exploit the unique characteristics of the Internet as a medium.

Given the need to create and interpret meaning when using media, trying to use computers to replace or substitute for humans in the education process is likely to be a major mistake, at least until computers have much greater facility to recognize, understand and apply semantics, value systems, and organizational factors,

it is equally a mistake to rely only on the symbol systems, cultural values and organizational structures of classroom teaching as the means of judging the effectiveness or appropriateness of the Internet as an educational medium.

parents can strive to get their teens less wired at night. This can be achieved by discouraging them from drinking caffeine past 12 noon, and by keeping TVs, computers, and especially cell phones out of their room at night.