factors can interact with each other. From the illustration we can
identify three different interactive patterns in operation; and we
can give them the names:
 PRESENTATION
 DISCUSSION
 ACTION
It can be argued that these are the only modes of communication
that are possible; and that all educational, training or extension
methods can be identified as belonging to one or other of the three.
Let us identify each in turn, by drawing on the opening illustra-
tion, and by constructing a diagram which characterizes the
particular interactive pattern.

Presentation




 Educator



 Subec Lere






In the first phase of the illustrated field day, the Chief takes on
the role of educator. The presentation mode of communication
which he adopts is perhaps the one most commonly used in
educational institutions. In this mode, every bit of information
received by the learners is "filtered" through the mind of he
educator-and delivered through his mouth or through his elec-
tronic device.
The educator does some thinking about the subject (1).
He packages it in an appropriate format for the learners, decides
on the best order in which to present it and, perhaps, makes some
notes (2).