2.At the end of a school
lunch break, the
administration asked
one of the class
officers to make a
polite and friendly
announcement
encouraging students
to return their lunch
trays and pick up their
own trash. It was
discovered that many
more students
assisted in the
cleanup of the
lunchroom when the
school used this
method of a friendly
reminder from a
classmate. Based on
this information, the
administration
decided to deliver one
of these class-officer
reminders at least
once a week for the
remainder of the
school year. This is an
example of