LYNNE: Yes,but there's a final category as well...computers,that make up the socalled electronic media.In the United Kingdom and Australia,they say that one in three families has a computer now.

ROBIN: Yes,I believe it.Well that's a good list to start with...we're really getting somewhere with this essay now...so let's move on to when each type of medium could be used.I guess we could start by trying to identify the best situation for each type of media.

LYNNE: What do you mean?

ROBIN: I'm talking about whether each medium should be used with different sized groups.For example,we could look at pictures,and ask whether they're more useful for an individual child,a few children together or a full class - in this case,I'd say pictures are best with individual children,because they give them an opportunity to let their imaginations run wild.

LYNNE: Yes,I see...

ROBIN: Let s take tapes next.